Real Racing 2 and Real Racing 2 HD have been updated to support their newly announced feature, Party Play. With Party Play, up to 4 players can play in a split screen on your HD TV. The only catch is that at least one player must be using an iPhone 4S or iPad 2.
Party Play takes AirPlay to the next level of iOS gaming, facilitating wireless local multiplayer for up to 4 players simultaneously in a split screen display output to your HD TV using an iPad 2 or iPhone 4S as the host. Play in the comfort of your own home and experience the joy of championship racing with iOS 5.
Here's a list of all the updated features: