The “Wii OS”
Basically what this boils down to is a Wii front end interface to play emulators on your PC using your Wiimote, still very cool. The interface is very well designed and the scripts to run the emulators and have the Wiimote work via bluetooth are fairly set up pretty good too.
If you’re interested in PC/Wiimote development, check out WiiLi. Lot’s of scripts to get you going: