Twinfold By: Kenny Sun I'm a big fan of swipe-based roguelikes and high-score chasers that feel perfectly designed to play on an iPhone. It's amazing how innovative mobile developers can get using swipes as the primary input from a player. I don't know if Threes! was the first game to have the whole board shift with each swipe, all pieces moving in the same direction. But since then, many developers have incorporated…