I actually wrote about this three years ago (has it really been that long that we've been anticipating an Apple TV SDK?) with some thoughts about what a remote-

I actually wrote about this three years ago (has it really been that long that we've been anticipating an Apple TV SDK?) with some thoughts about what a remote-slash-game-controller for iOS TV apps might look like: http://interuserface.net/2010/08/rethinking-the-remote/ http://interuserface.net/2010/08/rethinking-the-remote/