diff --git a/pkg/android/phoenix-common/src/com/retroarch/browser/retroactivity/RetroActivityCommon.java b/pkg/android/phoenix-common/src/com/retroarch/browser/retroactivity/RetroActivityCommon.java
index 109126a171..896d8dcc8a 100644
--- a/pkg/android/phoenix-common/src/com/retroarch/browser/retroactivity/RetroActivityCommon.java
+++ b/pkg/android/phoenix-common/src/com/retroarch/browser/retroactivity/RetroActivityCommon.java
@@ -49,14 +49,16 @@ public class RetroActivityCommon extends RetroActivityLocation
     long[] pattern = {16};
     int[] strengths = {strength};
 
-    if (id == -1)
-      vibrator = (Vibrator)getSystemService(Context.VIBRATOR_SERVICE);
-    else
-    {
-      InputDevice dev = InputDevice.getDevice(id);
+    if (Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.JELLY_BEAN) {
+      if (id == -1)
+        vibrator = (Vibrator)getSystemService(Context.VIBRATOR_SERVICE);
+      else
+      {
+        InputDevice dev = InputDevice.getDevice(id);
 
-      if (dev != null)
-        vibrator = dev.getVibrator();
+        if (dev != null)
+          vibrator = dev.getVibrator();
+      }
     }
 
     if (vibrator == null)
@@ -72,7 +74,7 @@ public class RetroActivityCommon extends RetroActivityLocation
     else
       pattern[0] = 1000;
 
-    if (Build.VERSION.SDK_INT >= 26) {
+    if (Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) {
       if (id >= 0)
         Log.i("RetroActivity", "Vibrate id " + id + ": strength " + strength);
 
diff --git a/pkg/android/phoenix/src/com/retroarch/browser/mainmenu/MainMenuActivity.java b/pkg/android/phoenix/src/com/retroarch/browser/mainmenu/MainMenuActivity.java
index 3b70e60533..7f8a4ef9e7 100644
--- a/pkg/android/phoenix/src/com/retroarch/browser/mainmenu/MainMenuActivity.java
+++ b/pkg/android/phoenix/src/com/retroarch/browser/mainmenu/MainMenuActivity.java
@@ -41,13 +41,16 @@ public final class MainMenuActivity extends PreferenceActivity
 
 	private boolean addPermission(List<String> permissionsList, String permission)
 	{
-		if (checkSelfPermission(permission) != PackageManager.PERMISSION_GRANTED)
+		if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.M)
 		{
-			permissionsList.add(permission);
+			if (checkSelfPermission(permission) != PackageManager.PERMISSION_GRANTED)
+			{
+				permissionsList.add(permission);
 
-			// Check for Rationale Option
-			if (!shouldShowRequestPermissionRationale(permission))
-				return false;
+				// Check for Rationale Option
+				if (!shouldShowRequestPermissionRationale(permission))
+					return false;
+			}
 		}
 
 		return true;
@@ -55,7 +58,7 @@ public final class MainMenuActivity extends PreferenceActivity
 
 	public void checkRuntimePermissions()
 	{
-		if (android.os.Build.VERSION.SDK_INT >= 23)
+		if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.M)
 		{
 			// Android 6.0+ needs runtime permission checks
 			List<String> permissionsNeeded = new ArrayList<String>();
@@ -90,10 +93,13 @@ public final class MainMenuActivity extends PreferenceActivity
 							{
 								if (which == AlertDialog.BUTTON_POSITIVE)
 								{
-									requestPermissions(permissionsList.toArray(new String[permissionsList.size()]),
-										REQUEST_CODE_ASK_MULTIPLE_PERMISSIONS);
+									if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.M)
+									{
+										requestPermissions(permissionsList.toArray(new String[permissionsList.size()]),
+											REQUEST_CODE_ASK_MULTIPLE_PERMISSIONS);
 
-									Log.i("MainMenuActivity", "User accepted request for external storage permissions.");
+										Log.i("MainMenuActivity", "User accepted request for external storage permissions.");
+									}
 								}
 							}
 						});
diff --git a/pkg/android/phoenix/src/com/retroarch/browser/retroactivity/RetroActivityFuture.java b/pkg/android/phoenix/src/com/retroarch/browser/retroactivity/RetroActivityFuture.java
index 92c142aebc..63b6f92989 100644
--- a/pkg/android/phoenix/src/com/retroarch/browser/retroactivity/RetroActivityFuture.java
+++ b/pkg/android/phoenix/src/com/retroarch/browser/retroactivity/RetroActivityFuture.java
@@ -40,13 +40,16 @@ public final class RetroActivityFuture extends RetroActivityCamera {
 
       // Check for Android UI specific parameters
       Intent retro = getIntent();
-      String refresh = retro.getStringExtra("REFRESH");
 
-      // If REFRESH parameter is provided then try to set refreshrate accordingly
-      if(refresh != null) {
-        WindowManager.LayoutParams params = getWindow().getAttributes();
-        params.preferredRefreshRate = Integer.parseInt(refresh);
-        getWindow().setAttributes(params);
+      if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
+        String refresh = retro.getStringExtra("REFRESH");
+
+        // If REFRESH parameter is provided then try to set refreshrate accordingly
+        if(refresh != null) {
+          WindowManager.LayoutParams params = getWindow().getAttributes();
+          params.preferredRefreshRate = Integer.parseInt(refresh);
+          getWindow().setAttributes(params);
+        }
       }
 
       // If QUITFOCUS parameter is provided then enable that Retroarch quits when focus is lost
@@ -61,20 +64,22 @@ public final class RetroActivityFuture extends RetroActivityCamera {
 
   public void hideMouseCursor() {
 
-    // Check for NVIDIA extensions and minimum SDK version
-    Method mInputManager_setCursorVisibility;
-    try { mInputManager_setCursorVisibility =
-      InputManager.class.getMethod("setCursorVisibility", boolean.class);
-    }
-    catch (NoSuchMethodException ex) {
-      return; // Extensions were not available so do nothing
-    }
+    if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.JELLY_BEAN) {
+      // Check for NVIDIA extensions and minimum SDK version
+      Method mInputManager_setCursorVisibility;
+      try { mInputManager_setCursorVisibility =
+        InputManager.class.getMethod("setCursorVisibility", boolean.class);
+      }
+      catch (NoSuchMethodException ex) {
+        return; // Extensions were not available so do nothing
+      }
 
-    // Hide the mouse cursor
-    InputManager inputManager = (InputManager) getSystemService(Context.INPUT_SERVICE);
-    try { mInputManager_setCursorVisibility.invoke(inputManager, false); }
-    catch (InvocationTargetException ite) { }
-    catch (IllegalAccessException iae)    { }
+      // Hide the mouse cursor
+      InputManager inputManager = (InputManager) getSystemService(Context.INPUT_SERVICE);
+      try { mInputManager_setCursorVisibility.invoke(inputManager, false); }
+      catch (InvocationTargetException ite) { }
+      catch (IllegalAccessException iae)    { }
+    }
   }
 
   @Override