Gorilla Tag Horror Butter'd Again.

Download the APK Use some form of File Explorer on your VR Headset, open the APK from there and press install. 

after that go in your menu and there should be a "Uknown Sources" page, that's where any game you install through your file explorer will show.

If you need help with these steps follow this guide: (credits to CheeesyDev for the video)