WASD to move, SPACE to place a block, E to open your inventory, and I to toggle your debug info.
•Left and right arrow keys to cycle through the blocks if the inventory lags you too much.
•N key to switch dimensions. •U to UNDO what you've done.
•F to use the /fill command, which is confusing, but exactly like the /fill command in actual Minecraft.
•Y to get your save code, Z to hide the save code.
•CTRL / CMD + A to select the code, C to copy the code, and V topaste the code. Also you need to click the list for any of this to work....