NBA JAM is now ready to rock your iPhone, iPod touch, or iPad with all the over-the-top, high-flying, 2-on-2 arcade basketball action just like you remember it –and like you’ve never seen before! So go to the hole. Go strong. Go for the monster jam. KABOOM!  

3 modes of play let you ball the way you want:

Play Now — Select a team and jump right into the ballgame
Classic Campaign — Defeat all other teams to win the championship, and unlock legends, hidden players and cheats
Local Multiplayer – Go big head 2 big head against a friend on iPhone/iPod touch or iPad via local WiFi and Bluetooth

Jam with all 30 NBA teams and your favorite NBA stars! Unlock legends from the classic arcade era and outrageous cheats. Also select from two different control schemes (D-Pad and gesture-based) and take advantage of the outstanding versatility of your iPhone/iPod touch.

EA.com