iPhone 4s has Real Racing
Firemint’s Real Racing 2 and Real Racing 2 HD aim to take advantage of everything the iPhone 4s and iPad have to offer in their next major update. The new update will not only add AirPlay functionality a new cooperative mode in the form of Party Play.
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.
Could be a good time if you have enough iPhones to go around.