The Android SDK enables holographic content rendering in any mobile application built on the Unity platform SAN DIEGO, CA / ACCESSWIRE / May 19, 2020 / IKIN ™, a leading provider of visual ...

Unity developers, on the other hand, can now install the Cardboard SDK and create their own VR project from scratch or adapt existing 3D apps for VR.

As Unity 3D is (mostly) not open source, Google must be working directly with the developers of Unity on the Android Game SDK.