Please, NOTE that some of the Android powered devices didn't support the OpenGL, so, there is no 3D graphics could be displayed on these device. Please, if you steel need the OpenGL, upgrade Your hardware.
Also, please, note that this app could only be used with the Phones. With the Tablets, the distance between two 3D objects too large, larger than the optical basis between eyes (average). And no Illusion will be present with the Tablets usage.