IMPORTANT: you need a Mac running OS X Yosemite.
Gerbil lets you use your iPhone, iPad or iPod touch as a touchpad for your Mac running OS X Yosemite. Whether it's across the desk or across the room if you can't get to your mouse, Gerbil is there to help you reach.
works over Bluetooth or Wifi, even if you aren't connected to a network
supports two-finger scrolling, just like on your Mac's trackpad
type text into your Mac using the onscreen keyboard
drag-and-drop on your Mac using a three-finger drag gesture
tap with two fingers to simulate a right click on your Mac
* Important: * you'll need a Mac running OS X 10.10 Yosemite, and you'll need to download Gerbil for Mac at http://gerbil.42pag.es