diff --git a/cocos2dx/platform/android/java/src/org/cocos2dx/lib/Cocos2dxAccelerometer.java b/cocos2dx/platform/android/java/src/org/cocos2dx/lib/Cocos2dxAccelerometer.java
index fe2f676ce4..76df8e0c0c 100644
--- a/cocos2dx/platform/android/java/src/org/cocos2dx/lib/Cocos2dxAccelerometer.java
+++ b/cocos2dx/platform/android/java/src/org/cocos2dx/lib/Cocos2dxAccelerometer.java
@@ -116,9 +116,10 @@ public class Cocos2dxAccelerometer implements SensorEventListener {
 			final float tmp = x;
 			x = y;
 			y = -tmp;
-		}
-
-		Cocos2dxAccelerometer.onSensorChanged(x, y, z, pSensorEvent.timestamp);
+		}		
+		
+		Cocos2dxGLSurfaceView.queueAccelerometer(x,y,z,pSensorEvent.timestamp);
+		
 		/*
 		if(BuildConfig.DEBUG) {
 			Log.d(TAG, "x = " + pSensorEvent.values[0] + " y = " + pSensorEvent.values[1] + " z = " + pSensorEvent.values[2]);
@@ -132,9 +133,10 @@ public class Cocos2dxAccelerometer implements SensorEventListener {
 
 	// ===========================================================
 	// Methods
+        // Native method called from Cocos2dxGLSurfaceView (To be in the same thread)
 	// ===========================================================
-
-	private static native void onSensorChanged(final float pX, final float pY, final float pZ, final long pTimestamp);
+    
+	public static native void onSensorChanged(final float pX, final float pY, final float pZ, final long pTimestamp);
 
 	// ===========================================================
 	// Inner and Anonymous Classes
diff --git a/cocos2dx/platform/android/java/src/org/cocos2dx/lib/Cocos2dxGLSurfaceView.java b/cocos2dx/platform/android/java/src/org/cocos2dx/lib/Cocos2dxGLSurfaceView.java
index fc1ae21f5d..514c8d5e9d 100644
--- a/cocos2dx/platform/android/java/src/org/cocos2dx/lib/Cocos2dxGLSurfaceView.java
+++ b/cocos2dx/platform/android/java/src/org/cocos2dx/lib/Cocos2dxGLSurfaceView.java
@@ -117,6 +117,16 @@ public class Cocos2dxGLSurfaceView extends GLSurfaceView {
 	// Getter & Setter
 	// ===========================================================
 
+
+       public static void queueAccelerometer(final float x, final float y, final float z, final long timestamp) {	
+	   mCocos2dxGLSurfaceView.queueEvent(new Runnable() {
+		@Override
+		    public void run() {
+			    Cocos2dxAccelerometer.onSensorChanged(x, y, z, timestamp);
+		}
+	    });
+	}
+
 	public void setCocos2dxRenderer(final Cocos2dxRenderer renderer) {
 		this.mCocos2dxRenderer = renderer;
 		this.setRenderer(this.mCocos2dxRenderer);
diff --git a/cocos2dx/platform/android/java/src/org/cocos2dx/lib/Cocos2dxRenderer.java b/cocos2dx/platform/android/java/src/org/cocos2dx/lib/Cocos2dxRenderer.java
index 8ae3476f59..7a4e74e2ba 100644
--- a/cocos2dx/platform/android/java/src/org/cocos2dx/lib/Cocos2dxRenderer.java
+++ b/cocos2dx/platform/android/java/src/org/cocos2dx/lib/Cocos2dxRenderer.java
@@ -79,23 +79,32 @@ public class Cocos2dxRenderer implements GLSurfaceView.Renderer {
 
 	@Override
 	public void onDrawFrame(final GL10 gl) {
+		/*
+		 * FPS controlling algorithm is not accurate, and it will slow down FPS
+		 * on some devices. So comment FPS controlling code.
+		 */
+		
+		/*
 		final long nowInNanoSeconds = System.nanoTime();
 		final long interval = nowInNanoSeconds - this.mLastTickInNanoSeconds;
+		*/
 
 		// should render a frame when onDrawFrame() is called or there is a
 		// "ghost"
 		Cocos2dxRenderer.nativeRender();
 
+		/*
 		// fps controlling
 		if (interval < Cocos2dxRenderer.sAnimationInterval) {
 			try {
 				// because we render it before, so we should sleep twice time interval
-				Thread.sleep((Cocos2dxRenderer.sAnimationInterval - interval) * 2 / Cocos2dxRenderer.NANOSECONDSPERMICROSECOND);
+				Thread.sleep((Cocos2dxRenderer.sAnimationInterval - interval) / Cocos2dxRenderer.NANOSECONDSPERMICROSECOND);
 			} catch (final Exception e) {
 			}
 		}
 
 		this.mLastTickInNanoSeconds = nowInNanoSeconds;
+		*/
 	}
 
 	// ===========================================================
diff --git a/scripting/javascript/bindings/cocos2d_specifics.cpp b/scripting/javascript/bindings/cocos2d_specifics.cpp
index a1ab3e63f3..ce3369563c 100644
--- a/scripting/javascript/bindings/cocos2d_specifics.cpp
+++ b/scripting/javascript/bindings/cocos2d_specifics.cpp
@@ -790,7 +790,9 @@ void JSScheduleWrapper::scheduleFunc(float dt) const
         return;
     }
 
-    if(!JSVAL_IS_VOID(jsCallback)  && !JSVAL_IS_VOID(jsThisObj)) {
+    if(!jsCallback.isNullOrUndefined() || !jsThisObj.isNullOrUndefined()) {
+        JSAutoCompartment ac(cx, JSVAL_TO_OBJECT(jsThisObj));
+                
         JS_CallFunctionValue(cx, JSVAL_TO_OBJECT(jsThisObj), jsCallback, 1, &data, &retval);
     }