With the NERDLab Controller, you can play games developed for the NERDLab server - a big screen massively multiplayer experience.
You can find games to play with the controller at http://nerdlab.dataplayed.com. The games run from a Mac. Current games include: Sea Nibbles, Tanks, and Atlantis.
For a walkthrough of how the controller works, you can watch a video here: https://vimeo.com/102984137