Remote Control for LEGO Mindstorms EV3 Engines: First Control - Port A and Port B. Second Control - Port C. Third Control - Port D. Requirements: Lego Mindstorms EV3 Brick. Android 2. 1 or higher. 2 Motor. No EV3 Program required! A previous Bluetooth Pairing is necessary. Tested with Nexus S, Nexus 4 and Nexus 7. V1. 1: Tablet modifications.