This app was mentioned in 4 comments, with an average of 0.75 upvotes
This app is pretty good for chilling out and pretending youre a dragonfly or frog. https://play.google.com/store/apps/details?id=com.fibrum.zenvr&hl=en
(works on google cardboard and i assume daydream view)
This one's pretty relaxing https://play.google.com/store/apps/details?id=com.fibrum.zenvr&hl=en
Check this one out. It's for Cardboard but should work ok without a controller.
https://play.google.com/store/apps/details?id=com.fibrum.zenvr&hl=en
Glitcher VR is too similar to Zen VR :P
https://play.google.com/store/apps/details?id=com.fibrum.zenvr