The game shows you basic instructions and a QR code to the app on the screen to make joining the game easier.
We have also limited the number of things you can hold at the same time to avoid unintentional grabbing of objects.
VR Dungeon update for February 18, 2018
UI update
View all patches · Build 2519711 · Last edited March 15, 2019 – 18:15:39 UTC by 
Wendy
Patchnotes via 
Steam Community