You have certainly note that the Game Center (which was in iOS 4 Golden Master) is not included in the final version of the iOS 4, this Game Center is planned for Autumn.

Here is a little tutorial to know how to install this Game Center on your jailbroken iOS 4 !

The Game Center is a platform which will permit you to play with your friends, a social network mabe by Apple.

Required :

• jailbroken iOS 4.
• Game Center.app
• Know how to SSH your iPhone.

• Unzip the downloaded file above.
• Transfer the folder Game Center.app in /private/var/stash/Applications.
• Then right click on the folder and put permission 0755 in properties (use iFile, WinSCP or iFunBox).
• Reboot your iDevice.

If it does NOT work, in the folder just transfered, put permission 0777 to files french.Iprog and game center.

Install with Cydia

• Add this source : http://repo.woowiz.net/
• Install the application Game Center.