Remote Control for LEGO Mindstorms EV3 Engines:- First Control -> Port A and Port B Smart Turn -> Port A and Port B- Second Control -> Port CRequirements:- Lego Mindstorms EV3 Brick- Android 2.1 or higher- 2 * MotorNo EV3 Program required !A previous Bluetooth Pairing is necessary.Tested with Nexus S, Nexus 4 and Nexus 7.V1.1: Tablet modificationsV1.2: BugfixV1.3: Smart Turn