I could see a few situations where I could use something like this, for example for reading a book projected on a chair in front of me in the airplane, instead

I could see a few situations where I could use something like this, for example for reading a book projected on a chair in front of me in the airplane, instead of carrying a ebook reader. It would only need to recognize one command - 'turn page". But it would need a stabilization tech, so the image does not move when I move.