One of Google’s goals for the Android Game SDK seems to be improving the Unity 3D engine’s performance on Android. To that end, one of the included samples is meant for use by Unity.

Unity’s service is one used by many in the industry, from developers big to small. Of the biggest games, data.ai has identified 71% use at least one Unity SDK.

In November, Google Cardboard was open-sourced as the company stopped active development on the affordable, smartphone-based VR platform. As promised, Google today released the Cardboard Unity SDK ...