- The open-source release of LiquidFun, a new C++ 2D physics library that makes it easier for developers to add realistic physics to their games.
- Google Play Games plug-in for Unity, cross-platform game engine from Unity Technologies. Game developers can now more easily integrate game services.
- New game categories are coming to the Play Store in February 2014, such as Simulation, Role Playing, and Educational.
source: Android Developers Blog