Google keeps your day organised with so many different type of apps. Google Play Games is a kind of app which track all your gaming details along with your Scores. If you have stopped playing a game in the middle of somewhere and you are logged in with Google Play Games then you can again play the game from the same level on another device. Through the Leadboards and Acheivements you can compete with your friends.
Google keeps updating these apps in daily basis. We havr got a news update which doesn’t declare any changelog. But the new version will get more stability and a lot of bugs will be fixed. If you want to download the latest version of the app then update it through Google Play or download the Apk though APKMirror.