This concept YY can really cow, the legend may appear in 10 years, the legend only, the main use is the projection.
See the lower side of the box is where the projection is generated, you can project the content in the box, there are flat styles and 3D styles, the last few pictures are 3D images, when you and friends call, its upper body will be displayed in the box.
What's more, the screen frame is soft enough to fit on your hand like a bracelet.