Press (0) to make it say "Happy Valentine's day! You might have to press new game a couple of times [1 to 9] - Select Item [Click] - Place or Mine [WASD] - Move / Jump [E] - Open/Close Inventory [E+hover] - Open / Close Chest, Crafting Table, Door [Space] - Drop single tile from a stack while dragging. [F] - Eat food [N] - Label a sign or chest [Q] - Drop item [P] - Pause / Unpause [T] - Talk / Command [O] - Save your game [M] - Music / Sounds [Shift] - Sprint
Thanks to griffpatch for the original Paper Minecraft v11.7 (Minecraft 2D) that I have now turned into a Valentine's day platform. Thanks to griffpatch for some of the coding too. Also thanks to the Minecraft Mojang for blocks and backgrounds.