iPhone多人游戏代码有效，但iPad没有。代表问题？

I've pretty much wrapped up my multiplayer code for my iPhone app and started working to update the graphics for the iPad version. Much to my surprise after updating all my sprites, my iPad version behaves completely differently than the iPhone. I'm using a combination of some custom code written by a freelance developer and Ray Wenderlich's GCHelper. Up until now, everything has been working great. For the iphone app, my gamelayer sends and receives all the player moves. In the iPad app, the I've pretty much wrapped up my multiplayer code