If your a PS Plus member you can get the Game September 11. Regular PSN members have to wait until September 18, 2012 for only $9.99
Xbox 360 and PC owners have to wait an extra day. September 19, 2012 for $9.99 or 800 MS points
Vita Gamers will be able to play Jet Set Radio on October 16, 2012
Also iOS and Android users have to wait a little bit since no official dare has been released.