These French engineering students wrote some software to control a little Pekee bot via Nintendo DS’ wi-fi. They utilize several different control methods you may recognize from DS games (such as the MarioKart steering interface). To check out the app for yourself, download the .nds file posted here.
And just in case that demo was too slick for you, take a look back at the DSRobot:
Wany Robotics’ Pekee robot -Link
DSRobot on YouTube -Link
Nintendo DS homebrew guide -Link
Control your PC with a Nintendo DS -Link