iPhone as Input Device

Air Mouse:

You can control your Windows Pc or Mac using your iPhone by the touch pad or Accelerometer:


Demonstration Video:



Features:
http://mobileairmouse.com/

Use your iPhone as a remote control for controlling Mac or Windows PCs:




Remote Control your iTunes on your Mac using your iPhone:




Touchpad Pro with ScreenView:

It allows you to control your Mac or PC also with seeing the screen on your mobile phone using the touchpad and screen keyboard of the phone.





GyroPhone - iPhone Gyroscopic Mouse

"It allows you to control your mouse cursor with your iPhone like a Wii controller. There is also a touch pad for more exact movements. Works on both iPhone and iPod touch, and the client runs on all platforms that support java (windows, mac, most distros of linux)."