It\'s gonna be a chip you implant behind your neck and when you want to play you push on the spot, then it sends signals to your eyes and follows your brain waves to move the character/car/ whatever it is around.
Side effects may include severe headaches, prolonged nausia, loose stool, explosive diahrea, and the usual instant death or possible self combustion from overheating.
But seriously ir better be cooler than the game boob.