Please be aware that Game Center is an Apple application and not a MobilityWare application.

Please follow the instructions below to log into Game Center on your device.
  1. Go to your device's home screen
  2. Open the Settings app
  3. Select Game Center
  4. Tap the Apple ID field
  5. Select Sign In
Once signed in you can update your Game Center profile name to change how your name will appear on leaderboards.