OSVR support for Android means that you can run OSVR on Android devices such as:
- Android phones
- Android tablets
- Razer Forge game console
- Other types of hardware that supports Android
Not as-is. Applications need to be ported to take advantage of the OSVR software capabilities
Yes. Users have successfully run OSVR on a Razer Forge and then connected the Forge via the HDMI output and USB port to the OSVR HDK. The same could be done with other HMDs.
Yes. For instance, see this video for a user that used OSVR to get positional tracking support for Gear VR.
As of 2016-02-22, the RenderManager code compiles and links for Android in a branch of the OSVR-Android-Build project. There is not yet a working GLES example program to compile, and the code has not yet been tested.