I remember seeing a significant software update a couple of months ago, which was supposed to be a big upgrade to hand tracking. Have you tried it after that?
I want this but I also wanted the leap motion and got burnt bad. This does seem objectively more useful though. When old mate turns the device towards the projector screen and used it as a touch screen was awesome.
What problem does this solve again? In the video you see a man doing some complicated hand gesture to put his laptop to sleep. I normally just close the lid of mine.
https://www.leapmotion.com
maybe just providing 2d data is much easier to digest for apps.