The video probably shows a guy whom is playing Space Astro Blaster using the Intel RealSense Camera using RealSense Technology.
He is using a few hand gestures to play the game. With 22 tracking points on hand, he was able to control the game with his hand. It is basically a fun and enjoying experience.
Not just games that one could enjoy, with RealSense Camera, users are able to use the camera depth-sensing technology so that the PC sees more like users do. And it can be added to dimension to scan 3D objects, control the PC with gestures, or create a more lifelike video chat environment. Reinvented video chat lets users to customize their background, and share content with friends as if they were in the same room together.
It is really creative!