diff --git a/SonicTimeTwisted.gmx/Configs/AndroidSmartphone.config.gmx b/SonicTimeTwisted.gmx/Configs/AndroidSmartphone.config.gmx
index cdaaf2bbc..66f395d01 100644
--- a/SonicTimeTwisted.gmx/Configs/AndroidSmartphone.config.gmx
+++ b/SonicTimeTwisted.gmx/Configs/AndroidSmartphone.config.gmx
@@ -24,7 +24,7 @@
     <option_android_build_tools_version>23.0.1</option_android_build_tools_version>
     <option_android_build_version>0</option_android_build_version>
     <option_android_color_depth>1</option_android_color_depth>
-    <option_android_compile_sdk_version>23</option_android_compile_sdk_version>
+    <option_android_compile_sdk_version>27</option_android_compile_sdk_version>
     <option_android_display_name>Sonic Time Twisted</option_android_display_name>
     <option_android_facebook_app_display_name></option_android_facebook_app_display_name>
     <option_android_facebook_appid></option_android_facebook_appid>
@@ -94,7 +94,7 @@
     <option_android_splash_png>Configs\AndroidSmartphone\android\splash.png</option_android_splash_png>
     <option_android_splash_time>0</option_android_splash_time>
     <option_android_support_lib_version>23.0.1</option_android_support_lib_version>
-    <option_android_target_sdk_version>23</option_android_target_sdk_version>
+    <option_android_target_sdk_version>27</option_android_target_sdk_version>
     <option_android_texture_page>2048</option_android_texture_page>
     <option_android_use_test_ads>0</option_android_use_test_ads>
     <option_androidfire_GPU_device>0</option_androidfire_GPU_device>
diff --git a/SonicTimeTwisted.gmx/extensions/SttAndroid/AndroidSource/Java/lib/RumbleThread.java b/SonicTimeTwisted.gmx/extensions/SttAndroid/AndroidSource/Java/lib/RumbleThread.java
index e7407ede7..7aa328208 100644
--- a/SonicTimeTwisted.gmx/extensions/SttAndroid/AndroidSource/Java/lib/RumbleThread.java
+++ b/SonicTimeTwisted.gmx/extensions/SttAndroid/AndroidSource/Java/lib/RumbleThread.java
@@ -22,8 +22,6 @@
 import android.os.VibrationEffect;
 import android.os.Vibrator;
 
-import androidx.annotation.RequiresApi;
-
 /**
  * Rumble thread class, that manages vibrations.
  *
diff --git a/extras/android/android-studio-project/src/app/src/main/java/com/example/sttandroid/lib/RumbleThread.java b/extras/android/android-studio-project/src/app/src/main/java/com/example/sttandroid/lib/RumbleThread.java
index c4277890b..8f147072b 100644
--- a/extras/android/android-studio-project/src/app/src/main/java/com/example/sttandroid/lib/RumbleThread.java
+++ b/extras/android/android-studio-project/src/app/src/main/java/com/example/sttandroid/lib/RumbleThread.java
@@ -22,8 +22,6 @@
 import android.os.VibrationEffect;
 import android.os.Vibrator;
 
-import androidx.annotation.RequiresApi;
-
 /**
  * Rumble thread class, that manages vibrations.
  *
diff --git a/extras/android/gms1-test-project/JoyInput.gmx/extensions/SttAndroid/AndroidSource/Java/lib/RumbleThread.java b/extras/android/gms1-test-project/JoyInput.gmx/extensions/SttAndroid/AndroidSource/Java/lib/RumbleThread.java
index e7407ede7..7aa328208 100644
--- a/extras/android/gms1-test-project/JoyInput.gmx/extensions/SttAndroid/AndroidSource/Java/lib/RumbleThread.java
+++ b/extras/android/gms1-test-project/JoyInput.gmx/extensions/SttAndroid/AndroidSource/Java/lib/RumbleThread.java
@@ -22,8 +22,6 @@
 import android.os.VibrationEffect;
 import android.os.Vibrator;
 
-import androidx.annotation.RequiresApi;
-
 /**
  * Rumble thread class, that manages vibrations.
  *