My beloved gave me a Windows 10 tablet for Christmas, which I took as reason to refresh my UI programming skills (I'm a systems level developer, and I HATE developing UIs).   What I have so far is an App similar to Eskin's concertina app, but it runs on WIndows 10 (theoretically scalabe from mobiles to everything else that supports touch screens), displays both hands of a 45 button Crane and plays the sound(s) when the corresponding button(s) is/are touched. The "final" version will of