iPhone and iPad apps tagged "digital dancing."
Saturday Night Fever: Dance Wants You to Shake Your Groove Thing
"I'm just a love machine and I won't work for anybody you. Ahrugggaaa!" It's The Miracles. It's disco. It's Saturday Night Fever: Dance from Paramount Digital Entertainment.
Tap and slide your finger across the screen in sync with the music and get your dancer to shake his groove thing.