DingJi is a time-honored kind of acrobatics in China. Firstly, keep your iPhone or iPod Touch straight up. Secondly, the object on the head of the acrobat player will attend to fall down for gravity; you need continually lean your iPhone or iPod Touch to the opposite direction to the falling direction. Keep the object on the head for several seconds, you can pass this level. The next level will add more objects on the head.