The problem all/most of this controller's benefits melt away if you actually use it the way it will be used in 99% of games ... imagine it resting in your hands, now look UP at your television. Now your LCD and all that is gone. You're going to force the consumer to keep looking down at the display to be able to see what commands they're pushing.
Within 20 minutes, I think most people would be rather playing with this:

The aspect ratio is also very awkward, it needlessly chops the left and right corners of the gameplay area off and it doesn't even look ergonomical. The Vita shape would be much better, like this person mocked up:
https://www.youtube.com/watch?v=udkU101fFOk&feature=youtu.be&t=33







