Check out the current experiments of Google Daydream Labs.
Check out some of the app experiments the Google Daydream lab is working on. Looks like they are using Vive controllers to develop with, it will be interesting how this translates to a final mobile VR product.
An app experiment from Daydream Labs. Copresence is a multiplier that can amplify the immersion in just about any VR experience.
An app experiment from Daydream Labs. Shared objectives help people break the ice in VR.
An app experiment from Daydream Labs. Text input with drumsticks can be faster than with a laser pointer (and is more fun).