Virtual Reality
I've made many using HTC Vive, here's some of them:
Race against time, as far as you can, through random 2D hills
One-Touch Controls! Win medals and unlock achievements!
https://play.google.com/store/apps/details?id=com.ookko.ookkorally
Features realistic spacewalk!
A puzzle game.
A platformer game with ragdoll physics.
A relaxing experience.