Google updates user profiles for playing games on Android devices to display games, achievements and social features. Changes include a set of new capabilities “View, track your progress and statistics, and new ways to build your gaming community, and allow you to adapt your profile according to your desire,” according to what you mentioned. Google Help page.
The update will be applied automatically, and it begins to launch most of the international regions on September 23, and on October 1 to users of the European Union and the United Kingdom. Google also sends an email to Google Play users directly to inform them of the changes. When applied, Google Play Games and appearance features will start in the Google Play Store to prevent users from switching between applications when managing their accounts.
The unified update aims to help users who publicly make their profile information communicate with other players and track their game features. It is not clear what this will be in particular, but it seems similar to how the player’s information, the history of games and the achievements are currently on Steam service in Valve.