In case you were wondering, the oculus go controller fits into the Wii gun! : r/OculusGo
In oculus go controller, if we press button_A and button_Enter together the app is crashing.The cause for this is geavrf library is throwing IllegalArguementException. · Issue #2000 · Samsung/GearVRf · GitHub
単体で動作するVR「Oculus Go」発売、23,800円から - AV Watch
Where to buy a replacement Oculus Go controller | Android Central