I have the Samsung Edge 7 VR headset, it is pretty cool but there is not a lot of software that support the actual VR functionality yet. It still gives you one hell of a screen to view videos, I mean it looks like a 105" display because that is all you see and the depth of field is really good with good color contrast.
I have gotten the API for the headset and am working on an APP. I want to add the development to one of my web engineering classes but we will see how much time it will take to develop and how it comes out.