This app was mentioned in 4 comments, with an average of 11.00 upvotes
Link to watch face background: http://imgur.com/gallery/KbXmhtQ. A printed copy would work. Link to App: https://play.google.com/store/apps/details?id=com.thirteen.tilt (totally free - no in-app purchases or ads)
Here's the play link if you want to try it out:
https://play.google.com/store/apps/details?id=com.thirteen.tilt
Here's the play link if you want to try it out: https://play.google.com/store/apps/details?id=com.thirteen.tilt