diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 0de13de..c3ea625 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="orgprivacy_friendly_apps.secuso.privacyfriendlybreakreminder">
-    <uses-permission android:name="android.permission.VIBRATE"/>
+
+    <uses-permission android:name="android.permission.VIBRATE" />
     <application
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
@@ -30,6 +31,9 @@
         <activity android:name=".BreakActivity"></activity>
         <activity android:name=".ProfileActivity"></activity>
         <activity android:name=".ExerciseTypeActivity"></activity>
+        <activity android:name=".AboutActivity"></activity>
+        <activity android:name=".StatisticsActivity"></activity>
+        <activity android:name=".HelpActivity"></activity>
     </application>
 
 </manifest>
\ No newline at end of file
diff --git a/app/src/main/java/orgprivacy_friendly_apps/secuso/privacyfriendlybreakreminder/AboutActivity.java b/app/src/main/java/orgprivacy_friendly_apps/secuso/privacyfriendlybreakreminder/AboutActivity.java
new file mode 100644
index 0000000..0804583
--- /dev/null
+++ b/app/src/main/java/orgprivacy_friendly_apps/secuso/privacyfriendlybreakreminder/AboutActivity.java
@@ -0,0 +1,36 @@
+package orgprivacy_friendly_apps.secuso.privacyfriendlybreakreminder;
+
+import android.os.Bundle;
+import android.support.v7.app.ActionBar;
+import android.support.v7.app.AppCompatActivity;
+import android.view.MenuItem;
+
+public class AboutActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.about);
+        setupActionBar();
+    }
+
+    private void setupActionBar() {
+        ActionBar actionBar = getSupportActionBar();
+        actionBar.setTitle(R.string.about);
+        if (actionBar != null) {
+            // Show the Up button in the action bar.
+            actionBar.setDisplayHomeAsUpEnabled(true);
+        }
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            // Respond to the action bar's Up/Home button
+            case android.R.id.home:
+                finish();
+                return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+}
diff --git a/app/src/main/java/orgprivacy_friendly_apps/secuso/privacyfriendlybreakreminder/BreakReminder.java b/app/src/main/java/orgprivacy_friendly_apps/secuso/privacyfriendlybreakreminder/BreakReminder.java
index 7905f6d..695b211 100644
--- a/app/src/main/java/orgprivacy_friendly_apps/secuso/privacyfriendlybreakreminder/BreakReminder.java
+++ b/app/src/main/java/orgprivacy_friendly_apps/secuso/privacyfriendlybreakreminder/BreakReminder.java
@@ -20,7 +20,6 @@ import android.support.v4.widget.DrawerLayout;
 import android.support.v7.app.ActionBarDrawerToggle;
 import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.Toolbar;
-import android.view.Menu;
 import android.view.MenuItem;
 import android.view.WindowManager;
 import android.widget.AdapterView;
@@ -38,6 +37,7 @@ public class BreakReminder extends AppCompatActivity
     private TextView ct_text;
     private CountDownTimer ct;
     private String stopTime = "";
+    private int oldTime = 0;
 
     private Spinner profileSpinner;
 
@@ -135,7 +135,6 @@ public class BreakReminder extends AppCompatActivity
 
         String currentProfile = sharedPrefs.getString("name_text", "") + "," + sharedPrefs.getInt("work_value", -1) + "," + sharedPrefs.getInt("break_value", -1);
 
-        System.out.println("Current PROFILE: " + currentProfile + " , PROFILE SELECTED: " + profileSelected);
         if (allProfiles.contains(currentProfile) && profileSelected.equals(sharedPrefs.getString("name_text", ""))) {
             System.out.println("Profile didn´t change");
         } else {
@@ -230,28 +229,6 @@ public class BreakReminder extends AppCompatActivity
         }
     }
 
-    @Override
-    public boolean onCreateOptionsMenu(Menu menu) {
-        // Inflate the menu; this adds items to the action bar if it is present.
-        getMenuInflater().inflate(R.menu.break_reminder, menu);
-        return true;
-    }
-
-    @Override
-    public boolean onOptionsItemSelected(MenuItem item) {
-        // Handle action bar item clicks here. The action bar will
-        // automatically handle clicks on the Home/Up button, so long
-        // as you specify a parent activity in AndroidManifest.xml.
-        int id = item.getItemId();
-
-        //noinspection SimplifiableIfStatement
-        if (id == R.id.action_settings) {
-            return true;
-        }
-
-        return super.onOptionsItemSelected(item);
-    }
-
     @SuppressWarnings("StatementWithEmptyBody")
     @Override
     public boolean onNavigationItemSelected(MenuItem item) {
@@ -263,11 +240,17 @@ public class BreakReminder extends AppCompatActivity
             Intent intent = new Intent(this, SettingsActivity.class);
             this.startActivity(intent);
         } else if (id == R.id.nav_statistics) {
-
+            // Show statistics
+            Intent intent = new Intent(this, StatisticsActivity.class);
+            this.startActivity(intent);
         } else if (id == R.id.nav_help) {
-
+            // Show help
+            Intent intent = new Intent(this, HelpActivity.class);
+            this.startActivity(intent);
         } else if (id == R.id.nav_about) {
-
+            // Show about page
+            Intent intent = new Intent(this, AboutActivity.class);
+            this.startActivity(intent);
         }
 
         DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
@@ -281,8 +264,13 @@ public class BreakReminder extends AppCompatActivity
         String bufferZeroMinute = "";
         String bufferZeroSecond = "";
         int time = mins * 60 * 1000;
-        time = 5000;
-        int oldTime = time;
+
+        //FIXME Hardcoded for testing
+        //time = 5000;
+
+
+        stopTime = (String) ct_text.getText();
+        oldTime = time;
 
         if (stopTime == "" && !isRunning) {
             if (time / 1000 / 60 < 10)
@@ -398,6 +386,7 @@ public class BreakReminder extends AppCompatActivity
             case R.id.button_reset:
                 if (ct != null) {
                     //Reset clock
+                    ct.cancel();
                     int interval = sharedPrefs.getInt("work_value", 1);
 
                     bufferZeroMinute = "";
@@ -406,8 +395,9 @@ public class BreakReminder extends AppCompatActivity
                         bufferZeroMinute = "0";
 
                     ct_text.setText(bufferZeroMinute + time / 1000 / 60 + ":00");
-
-
+                    stopTime = (String) ct_text.getText();
+                    isRunning = false;
+                    break;
                 }
 
 
diff --git a/app/src/main/java/orgprivacy_friendly_apps/secuso/privacyfriendlybreakreminder/HelpActivity.java b/app/src/main/java/orgprivacy_friendly_apps/secuso/privacyfriendlybreakreminder/HelpActivity.java
new file mode 100644
index 0000000..dae246d
--- /dev/null
+++ b/app/src/main/java/orgprivacy_friendly_apps/secuso/privacyfriendlybreakreminder/HelpActivity.java
@@ -0,0 +1,36 @@
+package orgprivacy_friendly_apps.secuso.privacyfriendlybreakreminder;
+
+import android.os.Bundle;
+import android.support.v7.app.ActionBar;
+import android.support.v7.app.AppCompatActivity;
+import android.view.MenuItem;
+
+public class HelpActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.help);
+        setupActionBar();
+    }
+
+    private void setupActionBar() {
+        ActionBar actionBar = getSupportActionBar();
+        actionBar.setTitle(R.string.help);
+        if (actionBar != null) {
+            // Show the Up button in the action bar.
+            actionBar.setDisplayHomeAsUpEnabled(true);
+        }
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            // Respond to the action bar's Up/Home button
+            case android.R.id.home:
+                finish();
+                return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+}
diff --git a/app/src/main/java/orgprivacy_friendly_apps/secuso/privacyfriendlybreakreminder/ProfileActivity.java b/app/src/main/java/orgprivacy_friendly_apps/secuso/privacyfriendlybreakreminder/ProfileActivity.java
index 60bea63..473aad1 100644
--- a/app/src/main/java/orgprivacy_friendly_apps/secuso/privacyfriendlybreakreminder/ProfileActivity.java
+++ b/app/src/main/java/orgprivacy_friendly_apps/secuso/privacyfriendlybreakreminder/ProfileActivity.java
@@ -11,6 +11,7 @@ import android.widget.Button;
 import android.widget.EditText;
 import android.widget.SeekBar;
 import android.widget.TextView;
+import android.widget.Toast;
 
 public class ProfileActivity extends AppCompatActivity implements View.OnClickListener {
 
@@ -77,22 +78,30 @@ public class ProfileActivity extends AppCompatActivity implements View.OnClickLi
     public void onClick(View v) {
         switch (v.getId()) {
             case R.id.button_profile_save:
-                //Fixme Check names for doubles
                 System.out.println("Save new profile!");
-
-                SharedPreferences sharedPrefs = PreferenceManager.getDefaultSharedPreferences(this);
-                SharedPreferences.Editor editor = sharedPrefs.edit();
                 EditText profileName =
                         (EditText) findViewById(R.id.editProfileName);
                 String name = profileName.getText().toString();
-                editor.putString("name_text", name);
-                editor.putInt("work_value",interval_seekbar.getProgress());
-                editor.putInt("break_value",break_seekbar.getProgress());
-                editor.putString("profiles", sharedPrefs.getString("profiles", "") + name + "," + interval_seekbar.getProgress() + "," + break_seekbar.getProgress() + ";");
-                editor.apply();
-                finish();
-                break;
 
+                if (name.equals("")) {
+                    Toast.makeText(this, R.string.new_profile_emptyName, Toast.LENGTH_SHORT).show();
+                    return;
+                } else if (prefContainsName(name)) {
+                    Toast.makeText(this, R.string.new_profile_doubleName, Toast.LENGTH_SHORT).show();
+                    return;
+                } else {
+
+                    // Add to preferences
+                    SharedPreferences sharedPrefs = PreferenceManager.getDefaultSharedPreferences(this);
+                    SharedPreferences.Editor editor = sharedPrefs.edit();
+                    editor.putString("name_text", name);
+                    editor.putInt("work_value", interval_seekbar.getProgress());
+                    editor.putInt("break_value", break_seekbar.getProgress());
+                    editor.putString("profiles", sharedPrefs.getString("profiles", "") + name + "," + interval_seekbar.getProgress() + "," + break_seekbar.getProgress() + ";");
+                    editor.apply();
+                    finish();
+                    break;
+                }
             case R.id.button_profile_cancel:
                 System.out.println("New profile canceled!");
                 finish();
@@ -106,6 +115,19 @@ public class ProfileActivity extends AppCompatActivity implements View.OnClickLi
     }
 
 
+    private boolean prefContainsName(String profileName) {
+        SharedPreferences sharedPrefs = PreferenceManager.getDefaultSharedPreferences(this);
+        String allProfiles = sharedPrefs.getString("profiles", "");
+        String[] profiles = allProfiles.split(";");
+        for (String profile : profiles) {
+            if (profile.split(",")[0].equalsIgnoreCase(profileName)) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
     private void createExerciseType() {
         Intent intent = new Intent(this, ExerciseTypeActivity.class);
         this.startActivity(intent);
diff --git a/app/src/main/java/orgprivacy_friendly_apps/secuso/privacyfriendlybreakreminder/SettingsActivity.java b/app/src/main/java/orgprivacy_friendly_apps/secuso/privacyfriendlybreakreminder/SettingsActivity.java
index 1997a49..0355e55 100644
--- a/app/src/main/java/orgprivacy_friendly_apps/secuso/privacyfriendlybreakreminder/SettingsActivity.java
+++ b/app/src/main/java/orgprivacy_friendly_apps/secuso/privacyfriendlybreakreminder/SettingsActivity.java
@@ -21,9 +21,8 @@ import android.preference.RingtonePreference;
 import android.text.TextUtils;
 import android.view.MenuItem;
 import android.support.v4.app.NavUtils;
-import android.widget.TextView;
+import android.widget.Toast;
 
-import orgprivacy_friendly_apps.secuso.privacyfriendlybreakreminder.SeekBarPreference;
 
 import java.util.List;
 
@@ -254,31 +253,62 @@ public class SettingsActivity extends AppCompatPreferenceActivity {
             String newProfileName = PreferenceManager.getDefaultSharedPreferences(this.getActivity()).getString("name_text", "");
             String allProfiles = PreferenceManager.getDefaultSharedPreferences(this.getActivity()).getString("profiles", "");
 
-            if (allProfiles.contains(newProfileName + "," + work_radius + "," + break_radius)) {
+            System.out.println("SETTINGS ACTIVITY0: " + newProfileName + "," + work_radius + "," + break_radius);
+            if (allProfiles.contains(newProfileName + "," + work_radius + "," + break_radius) && newProfileName.equals(currentProfile)) {
                 //Nothing changes
                 System.out.println("No changes for a profile in general settings");
             } else {
-                //FIXME Check for doubles
                 SharedPreferences.Editor editor = PreferenceManager.getDefaultSharedPreferences(this.getActivity()).edit();
-                String[] profiles = allProfiles.split(";");
-                for (int i = 0; i < profiles.length; i++) {
-                    if (profiles[i].split(",")[0].equals(currentProfile)) {
-                        profiles[i] = newProfileName + "," + work_radius + "," + break_radius;
-                        break;
+
+                System.out.println("SETTINGS ACTIVITY: " + newProfileName);
+                if (newProfileName.equals("")) {
+                    // Profile name empty
+                    System.out.println("EMPTY NAME IN SETTINGS ACTIVITY");
+                    Toast.makeText(this.getActivity(), R.string.settings_emptyName, Toast.LENGTH_SHORT).show();
+                    editor.putString("name_text", currentProfile);
+                    editor.apply();
+
+                } else if (currentProfile != newProfileName && prefContainsName(newProfileName)) {
+                    // Profile name exists already
+                    Toast.makeText(this.getActivity(), R.string.settings_doubleName, Toast.LENGTH_SHORT).show();
+                    editor.putString("name_text", currentProfile);
+                    editor.apply();
+
+                } else {
+
+                    String[] profiles = allProfiles.split(";");
+                    for (int i = 0; i < profiles.length; i++) {
+                        if (profiles[i].split(",")[0].equals(currentProfile)) {
+                            profiles[i] = newProfileName + "," + work_radius + "," + break_radius;
+                            break;
+                        }
                     }
+                    StringBuilder builder = new StringBuilder();
+                    for (String s : profiles) {
+                        builder.append(s + ";");
+                    }
+                    editor.putString("profiles", builder.toString());
+                    editor.apply();
                 }
-                StringBuilder builder = new StringBuilder();
-                for (String s : profiles) {
-                    builder.append(s + ";");
-                }
-                editor.putString("profiles", builder.toString());
-                editor.apply();
             }
 
 
             super.onPause();
         }
 
+        private boolean prefContainsName(String profileName) {
+            SharedPreferences sharedPrefs = PreferenceManager.getDefaultSharedPreferences(this.getActivity());
+            String allProfiles = sharedPrefs.getString("profiles", "");
+            String[] profiles = allProfiles.split(";");
+            for (String profile : profiles) {
+                if (profile.split(",")[0].equalsIgnoreCase(profileName)) {
+                    return true;
+                }
+            }
+
+            return false;
+        }
+
         @Override
         public void onResume() {
             getPreferenceManager().getSharedPreferences().registerOnSharedPreferenceChangeListener(this);
diff --git a/app/src/main/java/orgprivacy_friendly_apps/secuso/privacyfriendlybreakreminder/StatisticsActivity.java b/app/src/main/java/orgprivacy_friendly_apps/secuso/privacyfriendlybreakreminder/StatisticsActivity.java
new file mode 100644
index 0000000..a2ceceb
--- /dev/null
+++ b/app/src/main/java/orgprivacy_friendly_apps/secuso/privacyfriendlybreakreminder/StatisticsActivity.java
@@ -0,0 +1,37 @@
+package orgprivacy_friendly_apps.secuso.privacyfriendlybreakreminder;
+
+
+import android.os.Bundle;
+import android.support.v7.app.ActionBar;
+import android.support.v7.app.AppCompatActivity;
+import android.view.MenuItem;
+
+public class StatisticsActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.statistics);
+        setupActionBar();
+    }
+
+    private void setupActionBar() {
+        ActionBar actionBar = getSupportActionBar();
+        actionBar.setTitle(R.string.statistics);
+        if (actionBar != null) {
+            // Show the Up button in the action bar.
+            actionBar.setDisplayHomeAsUpEnabled(true);
+        }
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            // Respond to the action bar's Up/Home button
+            case android.R.id.home:
+                finish();
+                return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+}
diff --git a/app/src/main/res/drawable/privacyfriendlyappslogo.png b/app/src/main/res/drawable/privacyfriendlyappslogo.png
new file mode 100644
index 0000000..14f2748
Binary files /dev/null and b/app/src/main/res/drawable/privacyfriendlyappslogo.png differ
diff --git a/app/src/main/res/drawable/secuso_logo_blau_blau.png b/app/src/main/res/drawable/secuso_logo_blau_blau.png
new file mode 100644
index 0000000..9c82d7c
Binary files /dev/null and b/app/src/main/res/drawable/secuso_logo_blau_blau.png differ
diff --git a/app/src/main/res/layout/about.xml b/app/src/main/res/layout/about.xml
new file mode 100644
index 0000000..17cd520
--- /dev/null
+++ b/app/src/main/res/layout/about.xml
@@ -0,0 +1,104 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ScrollView
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_height="match_parent"
+    android:layout_width="match_parent"
+    android:background="#FFFFFF">
+
+    <LinearLayout
+        xmlns:tools="http://schemas.android.com/tools"
+        android:layout_width="fill_parent"
+        android:layout_height="fill_parent"
+        android:background="#FFFFFF"
+        android:orientation="vertical"
+        android:isScrollContainer="true"
+        android:paddingBottom="@dimen/activity_vertical_margin"
+        android:paddingLeft="@dimen/activity_horizontal_margin"
+        android:paddingRight="@dimen/activity_horizontal_margin"
+        android:paddingTop="@dimen/activity_vertical_margin"
+        android:gravity="center"
+        tools:context=".AboutActivity">
+        <ImageView
+            android:id="@+id/barcodeLogo"
+            android:layout_width="fill_parent"
+            android:layout_height="wrap_content"
+            android:adjustViewBounds="true"
+            android:src="@drawable/privacyfriendlyappslogo" />
+
+        <TextView
+            android:id="@+id/appName"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:gravity="center"
+            android:layout_marginTop="20dp"
+            android:text="@string/app_name_long" />
+
+        <TextView
+            android:id="@+id/textFieldVersion"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:layout_marginTop="10dp"
+            android:text="@string/version_number" />
+
+        <TextView
+            android:id="@+id/textFieldAuthor"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:layout_marginTop="10dp"
+            android:text="@string/about_author" />
+
+        <TextView
+            android:id="@+id/textFieldAuthorNames"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:gravity="center"
+            android:layout_marginTop="0dp"
+            android:text="@string/about_author_names" />
+
+        <TextView
+            android:id="@+id/textFieldAffiliation"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:layout_marginTop="30dp"
+            android:text="@string/about_affiliation"
+            android:textStyle="bold" />
+
+        <ImageView
+            android:id="@+id/imageView1"
+            android:layout_width="fill_parent"
+            android:layout_height="wrap_content"
+            android:adjustViewBounds="true"
+            android:src="@drawable/secuso_logo_blau_blau" />
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="10dp"
+            android:layout_gravity="center_horizontal"
+            android:gravity="center"
+            android:text="@string/privacy_friendly"/>
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:layout_marginTop="20dp"
+            android:gravity="center"
+            android:text="@string/more_info"/>
+
+        <TextView
+            android:id="@+id/linkID"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/url"
+            android:textStyle="bold"
+            android:layout_gravity="center_horizontal"
+            android:autoLink="web"/>
+
+    </LinearLayout>
+</ScrollView>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_break.xml b/app/src/main/res/layout/activity_break.xml
index cadc4a3..eca00b1 100644
--- a/app/src/main/res/layout/activity_break.xml
+++ b/app/src/main/res/layout/activity_break.xml
@@ -13,12 +13,12 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:textAppearance="?android:attr/textAppearanceLarge"
-        android:text="10:00"
+        android:text="@string/_10_00"
         android:id="@+id/textViewBreak"
         android:clickable="true"
         android:enabled="true"
         android:textStyle="bold"
-        android:textSize="60dp"
+        android:textSize="60sp"
         android:textIsSelectable="false"
         android:layout_centerHorizontal="true" />
 
@@ -26,7 +26,7 @@
         style="?android:attr/buttonStyleSmall"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="Play/Stop"
+        android:text="@string/break_play_stop"
         android:id="@+id/button_playStopBreak"
         android:layout_below="@+id/textViewBreak"
         android:layout_centerHorizontal="true" />
@@ -35,7 +35,7 @@
         style="?android:attr/buttonStyleSmall"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="Cancel"
+        android:text="@string/break_cancel"
         android:id="@+id/button_cancel"
         android:layout_alignParentBottom="true"
         android:layout_centerHorizontal="true" />
@@ -61,7 +61,7 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:textAppearance="?android:attr/textAppearanceMedium"
-        android:text="name of the Exercise"
+        android:text="@string/name_of_the_exercise"
         android:id="@+id/textViewExercise"
         android:layout_above="@+id/horizontalScrollView2"
         android:layout_centerHorizontal="true" />
@@ -70,9 +70,10 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:textAppearance="?android:attr/textAppearanceMedium"
-        android:text="You have to train hard, you little bitch"
+        android:text="@string/break_explanation"
         android:id="@+id/textViewDescription"
         android:layout_below="@+id/horizontalScrollView2"
-        android:layout_centerHorizontal="true" />
+        android:layout_centerHorizontal="true"
+        android:gravity="center" />
 
 </RelativeLayout>
diff --git a/app/src/main/res/layout/activity_break_decider.xml b/app/src/main/res/layout/activity_break_decider.xml
index 109f371..0aff464 100644
--- a/app/src/main/res/layout/activity_break_decider.xml
+++ b/app/src/main/res/layout/activity_break_decider.xml
@@ -13,7 +13,7 @@
         style="?android:attr/buttonStyleSmall"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="Take the Break"
+        android:text="@string/take_the_break"
         android:id="@+id/button_break"
         android:layout_alignParentBottom="true"
         android:layout_alignParentLeft="true"
@@ -24,7 +24,7 @@
         style="?android:attr/buttonStyleSmall"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="Skip the Break"
+        android:text="@string/skip_the_break"
         android:id="@+id/button_skip"
         android:layout_alignTop="@+id/button_break"
         android:layout_alignParentRight="true"
@@ -34,9 +34,9 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:textAppearance="?android:attr/textAppearanceLarge"
-        android:text="Do you want to take the break?"
+        android:text="@string/do_you_want_to_take_the_break"
         android:id="@+id/textView2"
-        android:textSize="24dp"
+        android:textSize="24sp"
         android:layout_alignParentTop="true"
         android:layout_centerHorizontal="true"
         android:layout_marginTop="97dp" />
diff --git a/app/src/main/res/layout/content_break_reminder.xml b/app/src/main/res/layout/content_break_reminder.xml
index 2cd6bd2..d38e1c1 100644
--- a/app/src/main/res/layout/content_break_reminder.xml
+++ b/app/src/main/res/layout/content_break_reminder.xml
@@ -34,7 +34,7 @@
         android:layout_alignTop="@+id/button_reset"
         android:layout_toLeftOf="@+id/button_reset"
         android:layout_toStartOf="@+id/button_reset"
-        android:text="Play/Stop" />
+        android:text="@string/play_stop" />
 
     <Button
         android:id="@+id/button_reset"
@@ -45,7 +45,7 @@
         android:layout_alignParentBottom="true"
         android:layout_alignRight="@+id/textView"
         android:layout_marginBottom="182dp"
-        android:text="Reset" />
+        android:text="@string/reset" />
 
     <TextView
         android:id="@+id/textView"
@@ -55,10 +55,10 @@
         android:layout_centerHorizontal="true"
         android:clickable="true"
         android:enabled="true"
-        android:text="30:00"
+        android:text="@string/_30_00"
         android:textAppearance="?android:attr/textAppearanceLarge"
         android:textIsSelectable="false"
-        android:textSize="60dp"
+        android:textSize="60sp"
         android:textStyle="bold" />
 
 
diff --git a/app/src/main/res/layout/exercise_type.xml b/app/src/main/res/layout/exercise_type.xml
index 6d3a76b..dffc00d 100644
--- a/app/src/main/res/layout/exercise_type.xml
+++ b/app/src/main/res/layout/exercise_type.xml
@@ -14,7 +14,7 @@
             android:layout_width="100dp"
             android:layout_height="wrap_content"
             android:textAppearance="?android:attr/textAppearanceMedium"
-            android:text="Exercise-name"
+            android:text="@string/exercise_name"
             android:id="@+id/textView8"
             android:layout_alignParentTop="true"
             android:layout_alignParentLeft="true"
@@ -37,7 +37,7 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:textAppearance="?android:attr/textAppearanceMedium"
-            android:text="Exercise time"
+            android:text="@string/exercise_time"
             android:id="@+id/textView9"
             android:layout_marginTop="42dp"
             android:layout_below="@+id/textView8"
@@ -58,7 +58,7 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:textAppearance="?android:attr/textAppearanceMedium"
-            android:text="Repetitions"
+            android:text="@string/repetitions"
             android:id="@+id/textView10"
             android:layout_below="@+id/seekBar3"
             android:layout_alignLeft="@+id/textView9"
@@ -76,7 +76,7 @@
             android:layout_width="100dp"
             android:layout_height="wrap_content"
             android:textAppearance="?android:attr/textAppearanceMedium"
-            android:text="Type"
+            android:text="@string/type"
             android:id="@+id/textView11"
             android:textSize="24sp"
             android:layout_centerVertical="true"
@@ -87,7 +87,7 @@
             android:layout_width="120dp"
             android:layout_height="wrap_content"
             android:textAppearance="?android:attr/textAppearanceMedium"
-            android:text="Sequential"
+            android:text="@string/sequential"
             android:id="@+id/textView12"
             android:textSize="24sp"
             android:layout_below="@+id/textView11"
@@ -107,7 +107,7 @@
         <Button
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:text="Add"
+            android:text="@string/add"
             android:id="@+id/button_et_add"
             android:layout_marginTop="23dp"
             android:layout_below="@+id/textView12"
@@ -117,7 +117,7 @@
         <Button
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:text="Edit"
+            android:text="@string/edit"
             android:id="@+id/button_et_edit"
             android:layout_alignBottom="@+id/button_et_add"
             android:layout_toRightOf="@+id/textView9"
@@ -126,7 +126,7 @@
         <Button
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:text="Save"
+            android:text="@string/save"
             android:id="@+id/button_et_save"
             android:layout_alignParentBottom="true"
             android:layout_alignRight="@+id/button_et_add"
@@ -136,7 +136,7 @@
         <Button
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:text="Cancel"
+            android:text="@string/cancel"
             android:id="@+id/button_et_cancel"
             android:layout_alignBottom="@+id/button_et_save"
             android:layout_alignLeft="@+id/button_et_edit"
diff --git a/app/src/main/res/layout/help.xml b/app/src/main/res/layout/help.xml
new file mode 100644
index 0000000..282ad30
--- /dev/null
+++ b/app/src/main/res/layout/help.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical" android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:weightSum="1">
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="match_parent"
+        android:textAppearance="?android:attr/textAppearanceLarge"
+        android:text="Will be completed once the exercise activity is done"
+        android:id="@+id/textView14"
+        android:layout_gravity="center_horizontal"
+        android:gravity="center" />
+</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/nav_header_break_reminder.xml b/app/src/main/res/layout/nav_header_break_reminder.xml
index 846d2e2..054925a 100644
--- a/app/src/main/res/layout/nav_header_break_reminder.xml
+++ b/app/src/main/res/layout/nav_header_break_reminder.xml
@@ -11,12 +11,5 @@
     android:paddingTop="@dimen/activity_vertical_margin"
     android:theme="@style/ThemeOverlay.AppCompat.Dark">
 
-    <TextView
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:paddingTop="@dimen/nav_header_vertical_spacing"
-        android:text="Break Reminder"
-        android:textAppearance="@style/TextAppearance.AppCompat.Body1" />
-
 
 </LinearLayout>
diff --git a/app/src/main/res/layout/new_profile.xml b/app/src/main/res/layout/new_profile.xml
index 77e0f3d..5a2f3af 100644
--- a/app/src/main/res/layout/new_profile.xml
+++ b/app/src/main/res/layout/new_profile.xml
@@ -17,9 +17,9 @@
             android:layout_alignParentStart="true"
             android:layout_alignParentTop="true"
             android:layout_marginTop="53dp"
-            android:text="Profile Name"
+            android:text="@string/profile_name"
             android:textAppearance="?android:attr/textAppearanceMedium"
-            android:textSize="24dp" />
+            android:textSize="24sp" />
 
         <EditText
             android:id="@+id/editProfileName"
@@ -31,7 +31,7 @@
             android:layout_marginEnd="42dp"
             android:layout_marginRight="42dp"
             android:inputType="text"
-            android:textSize="25dp" />
+            android:textSize="25sp" />
 
         <SeekBar
             android:id="@+id/new_profile_interval"
@@ -48,7 +48,7 @@
             android:layout_below="@+id/editProfileName"
             android:layout_centerHorizontal="true"
             android:layout_marginTop="40dp"
-            android:text="interval"
+            android:text="@string/interval"
             android:textAppearance="?android:attr/textAppearanceMedium" />
 
         <TextView
@@ -59,15 +59,15 @@
             android:layout_alignParentStart="true"
             android:layout_below="@+id/new_profile_break"
             android:layout_marginTop="48dp"
-            android:text="Exercise Type"
+            android:text="@string/exercise_type"
             android:textAppearance="?android:attr/textAppearanceMedium"
-            android:textSize="24dp" />
+            android:textSize="24sp" />
 
         <TextView
             android:id="@+id/textView5"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:text="Break"
+            android:text="@string/new_profile_break"
             android:textAppearance="?android:attr/textAppearanceMedium"
             android:layout_above="@+id/new_profile_break"
             android:layout_centerHorizontal="true" />
@@ -100,7 +100,7 @@
             android:layout_alignBottom="@+id/checkBox"
             android:layout_toEndOf="@+id/checkBox"
             android:layout_toRightOf="@+id/checkBox"
-            android:text="Select" />
+            android:text="@string/new_profile_select" />
 
         <TextView
             android:id="@+id/textView7"
@@ -110,7 +110,7 @@
             android:layout_alignParentStart="true"
             android:layout_below="@+id/textView6"
             android:layout_marginTop="40dp"
-            android:text="Continuosly"
+            android:text="@string/new_profile_continuously"
             android:textAppearance="?android:attr/textAppearanceMedium"
             android:textSize="24sp" />
 
@@ -130,7 +130,7 @@
             android:layout_below="@+id/checkBox2"
             android:layout_toLeftOf="@+id/checkBox2"
             android:layout_toStartOf="@+id/checkBox2"
-            android:text="Save" />
+            android:text="@string/new_profile_save" />
 
         <Button
             android:id="@+id/button_profile_cancel"
@@ -139,13 +139,13 @@
             android:layout_below="@+id/checkBox2"
             android:layout_toEndOf="@+id/textView4"
             android:layout_toRightOf="@+id/textView4"
-            android:text="Cancel" />
+            android:text="@string/new_profile_cancel" />
 
         <TextView
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:textAppearance="?android:attr/textAppearanceMedium"
-            android:text="0"
+            android:text="@string/_0"
             android:id="@+id/interval_text"
             android:layout_alignTop="@+id/textView4"
             android:layout_toRightOf="@+id/new_profile_interval"
diff --git a/app/src/main/res/layout/statistics.xml b/app/src/main/res/layout/statistics.xml
new file mode 100644
index 0000000..23e7439
--- /dev/null
+++ b/app/src/main/res/layout/statistics.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical" android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:weightSum="1">
+
+    <TextView
+        android:layout_width="292dp"
+        android:layout_height="wrap_content"
+        android:textAppearance="?android:attr/textAppearanceLarge"
+        android:text="To be done...."
+        android:id="@+id/textView13"
+        android:layout_weight="0.36"
+        android:gravity="center" />
+</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/menu/activity_break_reminder_drawer.xml b/app/src/main/res/menu/activity_break_reminder_drawer.xml
index fe744be..ae4297b 100644
--- a/app/src/main/res/menu/activity_break_reminder_drawer.xml
+++ b/app/src/main/res/menu/activity_break_reminder_drawer.xml
@@ -8,22 +8,23 @@
         <item
             android:id="@+id/nav_settings"
             android:icon="@drawable/ic_menu_manage"
-            android:title="Settings" />
+            android:title="@string/title_activity_settings" />
         <item
             android:id="@+id/nav_statistics"
             android:icon="@drawable/statistic_logo"
-            android:title="Statistics" />
+            android:title="@string/statistics" />
     </group>
 
-    <item android:title="Informations">
-        <menu>
-            <item
-                android:id="@+id/nav_help"
-                android:title="Help" />
-            <item
-                android:id="@+id/nav_about"
-                android:title="About" />
-        </menu>
-    </item>
-
+    <group android:checkableBehavior="single">
+        <item android:title="@string/information">
+            <menu>
+                <item
+                    android:id="@+id/nav_help"
+                    android:title="@string/help" />
+                <item
+                    android:id="@+id/nav_about"
+                    android:title="@string/about" />
+            </menu>
+        </item>
+    </group>
 </menu>
diff --git a/app/src/main/res/menu/break_reminder.xml b/app/src/main/res/menu/break_reminder.xml
deleted file mode 100644
index a2411e3..0000000
--- a/app/src/main/res/menu/break_reminder.xml
+++ /dev/null
@@ -1,9 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto">
-    <item
-        android:id="@+id/action_settings"
-        android:orderInCategory="100"
-        android:title="@string/action_settings"
-        app:showAsAction="never" />
-</menu>
diff --git a/app/src/main/res/menu/menu_break.xml b/app/src/main/res/menu/menu_break.xml
deleted file mode 100644
index e017117..0000000
--- a/app/src/main/res/menu/menu_break.xml
+++ /dev/null
@@ -1,10 +0,0 @@
-<menu xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
-    tools:context="orgprivacy_friendly_apps.secuso.privacyfriendlybreakreminder.BreakActivity">
-    <item
-        android:id="@+id/action_settings"
-        android:orderInCategory="100"
-        android:title="@string/action_settings"
-        app:showAsAction="never" />
-</menu>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index df7b3cc..75e141f 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -4,7 +4,6 @@
     <string name="navigation_drawer_open">Open navigation drawer</string>
     <string name="navigation_drawer_close">Close navigation drawer</string>
 
-    <string name="action_settings">Settings</string>
     <string name="title_activity_settings">Settings</string>
 
     <!-- Strings related to Settings -->
@@ -37,6 +36,60 @@
     <string name="pref_title_stayOn">Screen stays on</string>
     <string name="pref_title_timeLeft">Time left</string>
     <string name="pref_title_vibrate">Vibrate</string>
+    <string name="play_stop">Play/Stop</string>
+    <string name="reset">Reset</string>
+    <string name="_30_00" translatable="false">30:00</string>
+    <string name="exercise_name">Exercise-name</string>
+    <string name="exercise_time">Exercise time</string>
+    <string name="repetitions">Repetitions</string>
+    <string name="type">Type</string>
+    <string name="sequential">Sequential</string>
+    <string name="add">Add</string>
+    <string name="edit">Edit</string>
+    <string name="save">Save</string>
+    <string name="cancel">Cancel</string>
+    <string name="profile_name">Profile Name</string>
+    <string name="interval">interval</string>
+    <string name="exercise_type">Exercise Type</string>
+
+
+    <string name="_0" translatable="false">0</string>
+    <string name="take_the_break">Take the Break</string>
+    <string name="skip_the_break">Skip the Break</string>
+    <string name="do_you_want_to_take_the_break">Do you want to take the break?</string>
+    <string name="_10_00" translatable="false">10:00</string>
+    <string name="name_of_the_exercise">name of the Exercise</string>
+    <string name="break_cancel">Cancel</string>
+    <string name="break_play_stop">Play/Stop</string>
+    <string name="break_reminder">Break Reminder</string>
+    <string name="statistics">Statistics</string>
+    <string name="information">Information</string>
+    <string name="help">Help</string>
+
+    <!--settings for SettingsActivity -->
+    <string name="settings_emptyName">The changes could not be applied because the name for the profile was empty!</string>
+    <string name="settings_doubleName">The changes could not be applied because there is already a profile with the same name!</string>
+
+    <!--settings for ProfileActivity -->
+    <string name="new_profile_save">Save</string>
+    <string name="new_profile_cancel">Cancel</string>
+    <string name="new_profile_break">Break</string>
+    <string name="new_profile_select">Select</string>
+    <string name="new_profile_continuously">Continuously</string>
+    <string name="new_profile_emptyName">Please enter a name for the profile</string>
+    <string name="new_profile_doubleName">Enter another name, there is already a profile with the same name!</string>
+
+    <!-- settings for AboutActivity -->
+    <string name="about">About</string>
+    <string name="app_name_long">Privacy Friendly Break Reminder</string>
+    <string name="version_number">1.0</string>
+    <string name="about_author">Authors of the App:</string>
+    <string name="about_author_names" translatable="false">Sergej Alexeev, \n Jannik Schildknecht</string>
+    <string name="about_affiliation">In Affiliation with</string>
+    <string name="privacy_friendly">This application belongs to the Privacy Friendly Apps.</string>
+    <string name="more_info">More Information can be found here:</string>
+    <string name="url" translatable="false"><a href="https://www.secuso.informatik.tu-darmstadt.de/en/research/results/">https://www.secuso.org</a></string>
+    <string name="break_explanation">You have to train your chest hard! Eat healthy</string>
 
     <!-- settings for BreakActivity -->