Engadget has played Real Racing 2 HD of Firemint in iOS 5 on iPad 2, via AirPlay mirroring the game displayed on a larger monitor, so you can your experience game on the Apple TV big screen, and now the game developers have developed on a large screen and the iPad show the different effect.
In Real Racing 2 HD you can use the iPad as controller using in the menu navigation or in the race, the game screen in a large display. Although using the AirPlay between the iPad and Apple TV will be more obvious delay, but in Real Racing 2 HD has no such problem.
This technology display different images on iPad and other displays is not quite new, many iOS games, such as the Max Adventure and Chopper 2 has been supported this technology in iOS 4. But if you do not use AirPlay, you have to buy $29 VGA cable. While this feature in iOS 5 is free. Watch the video.