Play games on Apple TV via iPad with iPhone controller
Joypad is very interesting app, with this app, you will be able to play iPad games on your TV via AppleTV and use your iPhone as controller! In other words, it will treat your iPad as a “console” and stream the game from iPad to AppleTV and uses your iPhone as controller.
Very cool right? It uses their special SDK and is able to stream gameplay to AppleTV via Airplay. iPhone is connected to iPad via Bluetooth, thus you will be able to as controller. But the amount of games support this SDK is quite limited. You can see the list of supported games here.
You will be able to download Joypad here.