This app is a 2D viewer only, to see what others are doing in VR while exploring Brothers Volcano.
The VR app can be found here : https://sidequestvr.com/app/10009/brothers-volcano-maritime-park
Brothers' supports both standing & seated underwater experiences on a 20km² (12.42mi²) chunk of ocean floor surrounding a twin monster volcano, with terrain based on real high resolution 3D scans taken from deep sea diving missions.