diff --git a/shell/android-studio/flycast/src/main/AndroidManifest.xml b/shell/android-studio/flycast/src/main/AndroidManifest.xml
index 5a8531110..63c30b1fd 100644
--- a/shell/android-studio/flycast/src/main/AndroidManifest.xml
+++ b/shell/android-studio/flycast/src/main/AndroidManifest.xml
@@ -42,6 +42,7 @@
         android:banner="@drawable/ic_banner"
         android:logo="@drawable/ic_banner"
         android:hardwareAccelerated="true"
+        android:appCategory="game"
         android:isGame="true"
 		android:requestLegacyExternalStorage="true">
 
diff --git a/shell/android-studio/flycast/src/main/java/com/reicast/emulator/Emulator.java b/shell/android-studio/flycast/src/main/java/com/reicast/emulator/Emulator.java
index aec3738c5..e50803f99 100644
--- a/shell/android-studio/flycast/src/main/java/com/reicast/emulator/Emulator.java
+++ b/shell/android-studio/flycast/src/main/java/com/reicast/emulator/Emulator.java
@@ -24,13 +24,13 @@ public class Emulator extends Application {
 
     public static int vibrationDuration = 20;
 
-    public static int maple_devices[] = {
+    public static int[] maple_devices = {
             MDT_None,
             MDT_None,
             MDT_None,
             MDT_None
     };
-    public static int maple_expansion_devices[][] = {
+    public static int[][] maple_expansion_devices = {
         { MDT_None, MDT_None },
         { MDT_None, MDT_None },
         { MDT_None, MDT_None },
@@ -67,9 +67,9 @@ public class Emulator extends Application {
 
     public static boolean micPluggedIn() {
         JNIdc.getControllers(maple_devices, maple_expansion_devices);
-        for (int i = 0; i < maple_expansion_devices.length; i++)
-            if (maple_expansion_devices[i][0] == MDT_Microphone
-                    || maple_expansion_devices[i][1] == MDT_Microphone)
+        for (int[] maple_expansion_device : maple_expansion_devices)
+            if (maple_expansion_device[0] == MDT_Microphone
+                    || maple_expansion_device[1] == MDT_Microphone)
                 return true;
         return false;
     }
diff --git a/shell/android-studio/flycast/src/main/java/com/reicast/emulator/emu/NativeGLView.java b/shell/android-studio/flycast/src/main/java/com/reicast/emulator/emu/NativeGLView.java
index d7fd2aea0..171230508 100644
--- a/shell/android-studio/flycast/src/main/java/com/reicast/emulator/emu/NativeGLView.java
+++ b/shell/android-studio/flycast/src/main/java/com/reicast/emulator/emu/NativeGLView.java
@@ -29,7 +29,6 @@ public class NativeGLView extends SurfaceView implements SurfaceHolder.Callback
         vjoyDelegate.restoreCustomVjoyValues(vjoy_d_cached);
     }
 
-    @TargetApi(Build.VERSION_CODES.HONEYCOMB)
     public NativeGLView(Context context) {
         this(context, null);
     }
diff --git a/shell/android-studio/flycast/src/main/java/com/reicast/emulator/periph/InputDeviceManager.java b/shell/android-studio/flycast/src/main/java/com/reicast/emulator/periph/InputDeviceManager.java
index 6ef55d83f..1afe85249 100644
--- a/shell/android-studio/flycast/src/main/java/com/reicast/emulator/periph/InputDeviceManager.java
+++ b/shell/android-studio/flycast/src/main/java/com/reicast/emulator/periph/InputDeviceManager.java
@@ -111,7 +111,7 @@ public final class InputDeviceManager implements InputManager.InputDeviceListene
     public native boolean joystickAxisEvent(int id, int button, int value);
     public native void mouseEvent(int xpos, int ypos, int buttons);
     public native void mouseScrollEvent(int scrollValue);
-    private native void joystickAdded(int id, String name, int maple_port, String uniqueId, int fullAxes[], int halfAxes[]);
+    private native void joystickAdded(int id, String name, int maple_port, String uniqueId, int[] fullAxes, int[] halfAxes);
     private native void joystickRemoved(int id);
     public native boolean keyboardEvent(int key, boolean pressed);
     public native void keyboardText(int c);