Samsung is hellbent on pushing the VR train:

Samsung seems intent on not letting the tech world forget about its mobile VR solution, though, announcing at Mobile World Congress Sunday that pre-orders for its new flagship Galaxy S7 and S7 Edge phones will include a free Gear VR headset.

Gaming is driving the fanatics, social will drive the next wave and mainstream will follow gaming/social. Content that intrigues the mainstream has yet to be created or even thought of.