Is Google Play Service Free and Can i do Leaderboard with C2
i was reading this article
At the time of this writing, the real benefit of Google Play Game Services to developers lay in the leaderboard, achievements, and cloud storage APIs. Besides being fully platform independent, these services drive user engagement and promote "stickiness." These are some of the high-level functions supported by the APIs.
Leaderboard API: public and social (friends) scoreboards
Achievements API: hidden, revealed, locked, and unlocked achievements
Cloud Storage API: up to 512K with no impact on user, or any size on the user's personal Google drive
And please wtch this googe forum
can someone do over this tutorial in ENGLISH