This extension will allow your app or game to sync with Google Plus, not only allowing you to display the user information but also sync files with Google Drive across all devices, perfect for making settings or sync user files.
This is different from normal Google Play Games sync trough, as it also allows to display and retrieve the user's information, like the profile picture and G+ banner, like most Google apps do.
This is designed to be used within apps mostly, not games. For that you have built in capabilities in GMS. But if it serves you for a game (ie, to show the picture or the name of the user somewhere) you can use it too!
One of my Apps using this extension:
Setting up guide
Edited by Manuel777, 05 January 2016 - 12:29 AM.