WASD or Arrow keys to move. 0 to open level editor.9 to clear all the building that you made. Click on a item in the pallet to select it. If you're in paint pallet you can select a layer if you select a layer twice then you have a scanner for what is in that layer.if mouse is in the pallet you move the pallet. If your mouse is in the level you move the player.
griffpatches tutorials helped.