Free Windows 10 app: https://www.microsoft.com/en-us/store/apps/the-string-club/9nblggh65m0g
Free Android app: https://play.google.com/store/apps/details?id=us.kusog.stringclub&hl=en
Use this video to learn how to play Hallelujah from Shrek on the violin. Watch the numbers slide down the strings and play the note when it gets to the line at the bottom. It's just like guitar hero for violin.
TheStringClub.com uses violin games to help people learn how to play violin online through easy fun online violin lessons. The String Club provides easy free music lessons for beginner, intermediate and advanced violin players.