diff --git a/.idea/compiler.xml b/.idea/compiler.xml
index fb7f4a8..b589d56 100644
--- a/.idea/compiler.xml
+++ b/.idea/compiler.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="CompilerConfiguration">
-    <bytecodeTargetLevel target="11" />
+    <bytecodeTargetLevel target="17" />
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index f3bbb26..f6dfcb7 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -8,6 +8,7 @@
         <option name="distributionType" value="DEFAULT_WRAPPED" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
         <option name="gradleHome" value="$USER_HOME$/gradle" />
+        <option name="gradleJvm" value="Embedded JDK" />
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />
diff --git a/app/src/main/java/sgd/and04/layout/MainActivity.kt b/app/src/main/java/sgd/and04/layout/MainActivity.kt
index 6d2a9e3..e98c0ae 100644
--- a/app/src/main/java/sgd/and04/layout/MainActivity.kt
+++ b/app/src/main/java/sgd/and04/layout/MainActivity.kt
@@ -37,7 +37,6 @@ class MainActivity : AppCompatActivity() {
         startActivity(Intent(this, ImageSwitcherActivity::class.java))
     }
 
-    @RequiresApi(Build.VERSION_CODES.O)
     fun onButtonOpenGLClick(view: View) {
         startActivity(Intent(this, MainScreenActivity::class.java))
     }
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 3ab7d5a..1325766 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -14,11 +14,9 @@
         android:layout_height="wrap_content"
         android:orientation="vertical"
         android:gravity="center"
-
-    android:padding="16dp"
-
-
+        android:padding="16dp"
         tools:context=".MainActivity">
+
         <ImageView
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
diff --git a/readme.md b/readme.md
index 18c9438..27a5b84 100644
--- a/readme.md
+++ b/readme.md
@@ -4,4 +4,16 @@ Presents the 5 classic android layout classes und a couple of interesting views
 
 Build and run with android studio.  
 
+
+find installable apk [here](https://git.gugelfrei.de/android-fun/layout/src/branch/master/app/release/app-release.apk).[](https://git.gugelfrei.de/android-fun/layout/src/branch/master/app/release/app-release.apk)
+
 ![screenshot](screenshot.png)
+
+![Screenshot_20240114-220207_Layouts.png](https://mary.joefix.it/content/images/2024/01/Screenshot_20240114-220207_Layouts.png)
+![Screenshot_20240114-220122_Layouts.png](https://mary.joefix.it/content/images/2024/01/Screenshot_20240114-220122_Layouts.png)
+![Screenshot_20240114-220313_Layouts.png](https://mary.joefix.it/content/images/2024/01/Screenshot_20240114-220313_Layouts.png)
+![Screenshot_20240114-220256_Layouts.png](https://mary.joefix.it/content/images/2024/01/Screenshot_20240114-220256_Layouts.png)
+![Screenshot_20240114-220232_Layouts.png](https://mary.joefix.it/content/images/2024/01/Screenshot_20240114-220232_Layouts.png)
+
+
+![Screenshot_20240114-213205_Layouts.png](https://mary.joefix.it/content/images/2024/01/Screenshot_20240114-213205_Layouts.png)