This application requires iPhone OS 3.0 or later. *Due to hardware limitation, you may not able to access bluetooth networking features on 1st generation of iPhone and iPod touch. (Requires 2nd generation or later). Single Player Mode (Play with iPhone) You can play againt the iPhone. The iPhone opponent strength is customizable from Leve 1 to Level 5 through the Option menu. You can hone your skills in this mode until you are confident, then find someone to play Speed with.