It took some time, but finally these apps are available for pad and phone.
There is no movie: tapping on the circle makes it turn to the desired key. Tapping the buttons does something as well. I based these apps on the colors of the rainbow. Let me know what you think of it.
circle of 5ths app for all musicians: https://itunes.apple.com/us/app/flash-chords/id1398240284?l=nl&ls=1&mt=8