||gameNetwork, Apple Game Center, Google Play Games Services
gameNetwork library provides access to social gaming features such as public leaderboards and achievements.
Apple Game Center for iOS lets friends in on the action with leaderboards and achievements. For more information, see Game Center for Developers. Note that the nomenclature used in the Corona APIs for Game Center attempt to match the official Game Center APIs as much as possible, allowing you to cross-reference with official Game Center documentation.
For implementation details, please see the Apple Game Center plugin documentation.
Google Play Games Services makes your games more social with capabilities for achievements, leaderboards, and other popular features using the Google Play Games Services SDK.
For implementation details, please see the Google Play Games Services plugin documentation.