With this software, you will be able to control remotely your desktop mouse, and applications like Winamp, iTunes, the Windows Mixer, the Windows Media Player, PowerPoint, Media Player Classic, PowerDVD and the Vista's Media Center. You'll also be able to pause your favorite music software when the phone rings, then play it back when you hang up.

The Mobile Client is installed automaticaly via ActiveSync. Also note that your Windows Mobile Device will ask you twice on the first start about software modules that are not known, just answer yes. (This is for the main executable and a satellite native DLL)

for more info try the developer web site