There are already plenty of affordable 3D and VR headsets available for smartphones. The HoloKit is designed for those of you who want to try mixed reality applications. It has a 76-degree field of view and high quality optics to blend virtual images with reality. You will be able to see virtual objects that stay put as you move around.
HoloKit puts virtual objects around you as if they are physically there. The kit includes a cardboard headset and TrackKit software. More info is available here.