This is my first virtual reality app for the Durovis Dive VR headset and the Refugio 3D. Can also ber used with the cardboard. Walk around inside a volcano landscape. Enjoy. This is a demo for the Durovis Dive VR or Refugio 3D headset. http://www.refugio3d. net/https://www.durovis.com/index. htmlYou need a bluetooth controller to walk around.