
It seems that Google will soon officially introduce a data synchronization tool on your different devices (for example, on your phone and tablet, with one account). Synchronization will allow, for example, to continue the game on the phone from the place where you finished to go through it on the tablet. New feature is part of Google Play Services 3.1.
For the general public, all this is not available, so far, but the guys from Android Police were able to get a pre-release, and disassemble it, as they say, by bone. They had previously discovered the files of the new social gaming service from Google, which will be discussed a little below.
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As for synchronization, developers and users will get a very practical tool. About games have already been said above, but synchronization will be relevant for other applications. For example, the movie that you started watching on the phone can be viewed to the end on the tablet, from the place where you finished watching it. This synchronization tool will replace Google Drive, Dropbox and other similar services.
Probably, the process of replacing the phone (with the condition that the new phone will also be on Android) will also run smoothly - after all, it will be possible to transfer all data from the old phone to the new one automatically.
Unfortunately, it is not yet known when exactly Google is going to present Play Services 3.1. Maybe the synchronization function will be presented before the announcement of the package, but this is also just a possibility, without official confirmation from Google.
The Play Services 3.1 update will also include a contact synchronization service, integrated with Google+.

As for the game service, which was mentioned above, it is called Play Games. It will be similar in functionality to Apple's Game Center, but more focused on Google+. Users will be able to follow each other's achievements, view the leaders for a particular game, search for opponents for the game. In-game chat will also be presented, which may appeal to many gamers.
Via
androidpolice