Is NBA 2K9 on PSP

You can't get nba 2k9 for psp even you can't get nba 2k, 2k1, 2k2, 2k3, 2k4, 2k5, 2k6, 2k7, or 2k8 on psp. But NBA 2K10 is gonna COME OUT for PSP on October 6, 2009