Pictionary style gameplay on your iOS device, SketchParty TV is on sale for $2.99 right now (regularly $4.99).
Video Trailer for SketchParty TV permalink
Direct link to video
It's important to note that you'll need a few things to play SketchParty TV properly.
SketchParty TV requires one of the following AirPlay Mirroring capable iOS devices: iPad mini, iPad 2, iPad 3rd and 4th generation, iPhone 4S, iPhone 5, or iPod touch 5th generation, as well as an Apple TV 2nd generation or newer (these are the requirements for AirPlay Mirroring). You'll also need an HDTV and a wireless router. Oh, and electricity. Maybe some comfortable couches. Snacks. And friends and family.
Via Federico Viticci