Mobile Mouse Pro (remote/trackpad) is a iOS app that transforms iPhone and iPod become wireless mouse and keyboard.It’s free for today and free download.
Mobile Mouse Pro uses the built in accelerometer to translate your hand motions into mouse movements on your screen over WIFI network. It can also operate as a trackpad remote, allowing you to control your computer with a single finger.
Mobile Mouse Pro compatible with Windows XP/Vista/7 and Mac OS 10.5+.You need to download a application into your PC and follow the instruction setting up the connection.
Set up instruction please follow here ( Mac OS and Windows )