Using the 4 buttons allows you to not only move forward or reverse but also allows you to pivot turn or counter　rotate to any direction you want. The 2 shooting buttons allows you to enjoy the sound of the tank cannon as well as machine gun. Also comes with functions which allows you to easily control in one hand or have 8 tanks connected in one time or even to have platoon operation. iDRIVER allows your desktop change to a battle field. (Connection with your Pocket Armor is firstly done thr