Hello All,
The following, from SimpleHelp, I have found to be extremely useful:
Please note that in order to use your iOS device as a wireless mouse and/or keyboard for your computer, both the computer and the iOS device must be connected to the same WiFi network.
Mark
HOW TO USE YOUR IPHONE, IPOD TOUCH OR IPAD AS A MOUSE AND KEYBOARD ON YOUR MAC OR PC
This tutorial will guide you through the steps to turn your iPhone, iPad or iPod Touch into a wireless mouse and keyboard you can use to control your Mac or PC. Read the rest of this entry »