The difficulty levels have been eliminated, as has the opportunity to execute a short dance to speed through a song. On the Wii platform, movement is monitored by the Wii Remote, the Xbox 360 by the Kinect peripheral, and the PlayStation 3 by the PlayStation Eye camera, with optional support for the Move accessory.
Just Dance 4 is the fourth main game in the dancing series in which players are judged for their ability to copy dance routines to popular tunes.