diff --git a/app/src/main/java/dev/lucalewin/planer/MainActivity.java b/app/src/main/java/dev/lucalewin/planer/MainActivity.java
index 3d94ddc..ba7aaa4 100644
--- a/app/src/main/java/dev/lucalewin/planer/MainActivity.java
+++ b/app/src/main/java/dev/lucalewin/planer/MainActivity.java
@@ -12,7 +12,6 @@
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
-import java.util.Objects;
 
 import de.dlyt.yanndroid.oneui.layout.ToolbarLayout;
 import de.dlyt.yanndroid.oneui.widget.SwipeRefreshLayout;
@@ -22,7 +21,6 @@
 import dev.lucalewin.planer.iserv.web_scraping.IservWebScraper;
 import dev.lucalewin.planer.iserv.web_scraping.TaskRunner;
 import dev.lucalewin.planer.preferences.Preferences;
-import dev.lucalewin.planer.preferences.language.LanguageUtil;
 import dev.lucalewin.planer.util.Tuple;
 
 public class MainActivity extends BaseThemeActivity {
@@ -45,7 +43,7 @@ protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
 
-        LanguageUtil.init(this);
+//        LanguageUtil.init(this);
 
         mContext = this;
         toolbarLayout = findViewById(R.id.main_toolbar_layout);
diff --git a/app/src/main/res/layout/activity_settings.xml b/app/src/main/res/layout/activity_settings.xml
index acc6a87..ce222d9 100644
--- a/app/src/main/res/layout/activity_settings.xml
+++ b/app/src/main/res/layout/activity_settings.xml
@@ -5,7 +5,7 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:id="@+id/settings_toolbar_layout"
-    app:title="Settings"
+    app:title="@string/settings"
     app:expanded="false"
     app:layout_behavior="@string/sesl_appbar_scrolling_view_behavior"
     app:navigationIcon="@drawable/ic_samsung_arrow_left"
diff --git a/app/src/main/res/values-de/strings.xml b/app/src/main/res/values-de/strings.xml
index 5b7b53d..f678c7d 100644
--- a/app/src/main/res/values-de/strings.xml
+++ b/app/src/main/res/values-de/strings.xml
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <string name="app_name">Planer</string>
-    <string name="app_info">Info</string>
+    <string name="app_info">Info zu Planer</string>
     <string name="settings">Einstellungen</string>
     <string name="iserv_base_url_str">Iserv Base URL</string>
     <string name="username">Benutzername</string>
@@ -10,10 +9,25 @@
     <string name="cancel">Abbruch</string>
     <string name="today">Heute</string>
     <string name="tomorrow">Morgen</string>
-    <string name="general">Allgemein</string>
-    <string name="type">Type</string>
+    <string name="type">Art</string>
     <string name="missing">Fehlt</string>
     <string name="hour">Stunde</string>
     <string name="language">Sprache</string>
     <string name="notifications">Benachrichtigungen</string>
+    <string name="course">Kurs</string>
+    <string name="lesson">Stunde</string>
+    <string name="teacher">Lehrer</string>
+    <string name="privacy_policy">Datenschutz</string>
+    <string name="contact">Kontakt</string>
+    <string name="preferences">Style</string>
+    <string name="courses">Kurse</string>
+    <string name="account_planer_preference">Planer Account</string>
+    <string name="account_iserv_preference_title">Iserv Account</string>
+    <string name="_class">Klasse</string>
+    <string name="category_general">Allgemein</string>
+    <string name="category_planer">Planer</string>
+    <string name="category_accounts">Accounts</string>
+    <string name="category_information">Information</string>
+    <string name="account_planer_preference_summary">Klasse • Kurse</string>
+    <string name="account_iserv_preference_summary">URL • Benutzername • Password</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index bc216ba..d55d2e7 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1,6 +1,6 @@
 <resources>
-    <string name="app_name">Planer</string>
-    <string name="app_info">Info</string>
+    <string name="app_name" translatable="false">Planer</string>
+    <string name="app_info">About Planer</string>
     <string name="settings">Settings</string>
     <string name="iserv_base_url_str">Iserv Base URL</string>
     <string name="username">Username</string>
@@ -9,10 +9,25 @@
     <string name="cancel">Cancel</string>
     <string name="today">Today</string>
     <string name="tomorrow">Tomorrow</string>
-    <string name="general">General</string>
     <string name="type">Type</string>
     <string name="missing">Missing</string>
     <string name="hour">Hour</string>
     <string name="language">Language</string>
     <string name="notifications">Notifications</string>
+    <string name="course">Course</string>
+    <string name="lesson">Lesson</string>
+    <string name="teacher">Teacher</string>
+    <string name="privacy_policy">Privacy Policy</string>
+    <string name="contact">Contact us</string>
+    <string name="preferences">Preferences</string>
+    <string name="courses">Courses</string>
+    <string name="account_planer_preference">Planer Account</string>
+    <string name="account_iserv_preference_title">Iserv Account</string>
+    <string name="_class">Class</string>
+    <string name="category_general">General</string>
+    <string name="category_planer">Planer</string>
+    <string name="category_accounts">Accounts</string>
+    <string name="category_information">Information</string>
+    <string name="account_planer_preference_summary">Class • Courses</string>
+    <string name="account_iserv_preference_summary">URL • Username • Password</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/xml/preferences.xml b/app/src/main/res/xml/preferences.xml
index 1161caa..27200c1 100644
--- a/app/src/main/res/xml/preferences.xml
+++ b/app/src/main/res/xml/preferences.xml
@@ -3,10 +3,10 @@
     xmlns:app="http://schemas.android.com/apk/res-auto">
 
     <de.dlyt.yanndroid.oneui.preference.PreferenceCategory
-        android:title="General">
+        android:title="@string/category_general">
 
         <de.dlyt.yanndroid.oneui.preference.PreferenceScreen
-            android:key="preferences" android:title="Preferences" android:summary="Theme • Color">
+            android:key="preferences" android:title="@string/preferences" android:summary="Theme • Color">
         </de.dlyt.yanndroid.oneui.preference.PreferenceScreen>
 
         <de.dlyt.yanndroid.oneui.preference.PreferenceScreen
@@ -14,63 +14,61 @@
         </de.dlyt.yanndroid.oneui.preference.PreferenceScreen>
 
         <ListPreference
-            android:key="language_selector" android:title="@string/language" android:summary="English" android:entries="@array/languages" android:entryValues="@array/languages" />
+            android:key="language_selector" android:title="@string/language" android:entries="@array/languages" android:entryValues="@array/languages" />
 
     </de.dlyt.yanndroid.oneui.preference.PreferenceCategory>
 
     <de.dlyt.yanndroid.oneui.preference.PreferenceCategory
-        android:title="Planer">
+        android:title="@string/category_planer">
 
-        <SwitchPreferenceScreen
-            android:key="show_only_for_me" android:title="Show for me relevant info only" >
-<!--            <intent-->
-<!--                android:targetPackage="de.dlyt.yanndroid.oneuiexample" android:targetClass="de.dlyt.yanndroid.oneuiexample.SwitchBarActivity" />-->
-        </SwitchPreferenceScreen>
+<!--        <SwitchPreferenceScreen-->
+<!--            android:key="show_only_for_me" android:title="Show for me relevant info only" >-->
+<!--&lt;!&ndash;            <intent&ndash;&gt;-->
+<!--&lt;!&ndash;                android:targetPackage="de.dlyt.yanndroid.oneuiexample" android:targetClass="de.dlyt.yanndroid.oneuiexample.SwitchBarActivity" />&ndash;&gt;-->
+<!--        </SwitchPreferenceScreen>-->
 
         <EditTextPreference
-            android:key="class" android:title="Class" android:summary="current class" />
+            android:key="class" android:title="@string/_class" />
 
         <MultiSelectListPreference
-            android:key="courses" android:title="Courses" android:summary="Select your courses • Available courses in your class" />
+            android:key="courses" android:title="@string/courses" android:summary="Select your courses • Available courses in your class" />
 
     </de.dlyt.yanndroid.oneui.preference.PreferenceCategory>
 
     <de.dlyt.yanndroid.oneui.preference.PreferenceCategory
-        android:title="Accounts">
+        android:title="@string/category_accounts">
 
         <de.dlyt.yanndroid.oneui.preference.PreferenceScreen
-            android:key="planer_account" android:title="Planer Account" android:summary="Class • Courses">
+            android:key="planer_account" android:title="@string/account_planer_preference" android:summary="@string/account_planer_preference_summary">
             <intent android:targetPackage="dev.lucalewin.planer" android:targetClass="dev.lucalewin.planer.PlanerAccountActivity" />
         </de.dlyt.yanndroid.oneui.preference.PreferenceScreen>
 
         <de.dlyt.yanndroid.oneui.preference.PreferenceScreen
-            android:key="iserv_account" android:title="Iserv Account" android:summary="URL • Username • Password">
+            android:key="iserv_account" android:title="@string/account_iserv_preference_title" android:summary="@string/account_iserv_preference_summary">
             <intent android:targetPackage="dev.lucalewin.planer" android:targetClass="dev.lucalewin.planer.IservAccountSettingsActivity" />
         </de.dlyt.yanndroid.oneui.preference.PreferenceScreen>
 
     </de.dlyt.yanndroid.oneui.preference.PreferenceCategory>
 
     <de.dlyt.yanndroid.oneui.preference.PreferenceCategory
-        android:title="Information">
+        android:title="@string/category_information">
 
         <de.dlyt.yanndroid.oneui.preference.PreferenceScreen
-            android:key="privacy_policy" android:title="Privacy Policy">
+            android:key="privacy_policy" android:title="@string/privacy_policy">
 <!--            <intent android:targetPackage="dev.lucalewin.planer" android:targetClass="dev.lucalewin.planer.PrivacyPolicyActivity" />-->
         </de.dlyt.yanndroid.oneui.preference.PreferenceScreen>
 
         <de.dlyt.yanndroid.oneui.preference.PreferenceScreen
-            android:key="about_app" android:title="About Planer">
+            android:key="about_app" android:title="@string/app_info">
             <intent android:targetPackage="dev.lucalewin.planer" android:targetClass="dev.lucalewin.planer.AboutActivity" />
         </de.dlyt.yanndroid.oneui.preference.PreferenceScreen>
 
         <de.dlyt.yanndroid.oneui.preference.PreferenceScreen
-            android:key="contact_us" android:title="Contact us">
+            android:key="contact_us" android:title="@string/contact">
 <!--            <intent android:targetPackage="dev.lucalewin.planer" android:targetClass="dev.lucalewin.planer.AboutActivity" />-->
         </de.dlyt.yanndroid.oneui.preference.PreferenceScreen>
     </de.dlyt.yanndroid.oneui.preference.PreferenceCategory>
 
-
-
     <PreferenceCategory
         android:key="spacing1" />