I'll start with an introduction to what Synergy is, for those that have never heard of this handy piece of software. Synergy is a program that allows you to share a mouse and keyboard between multiple computers, operating systems and now, with the help of Matthias Ringwald, the iPad, without the need for KVM switches or special hardware. The idea is to use this feature across multiple devices with displays, eliminating the need to connect a bunch of peripherals.
it's considered beta quality and not released yet. For those who want to try the beta: please install MouseSupport package using Cydia. Then, download http://ringwald.ch/ch.ringwald.syner...honeo s-arm.deb to your device and install using: dpkg -i /ch.ringwald.synergyclient _0.8-9_iphoneos-arm.deb Now, please reboot to get the application on the SpringBoard.
Tipster leonowski, posted the video above demonstrating how the app works so far.
On a side note, Matthias has also mentioned "All BTstack apps fixed for iOS 4. BTstack Keyboard, Mouse, and GPS updates are live in Cydia"