Instructions onscreen. Unfortunately, the swapping mechanics seem to be broken, but you can salvage some of the code inside for your own projects.
(HISTORY) This is an Abandoned Work in Progress, one of the projects I was working on before I left. This was my attempt at a Match-3 game, as I was trying to familiarize myself with a few of the coding practices I learned recently. It mostly fell through because of the sheer amount of fiddling and tooling I needed to do to get anything working.