Gathering the marsh…

Left thumb: move. Right thumb: Attack (heroes first) and Attack move (goes for the killing blow on minions first, the killing blow pays gold). Tap a spell to quick-cast, or drag it to aim and let go; drag onto Cancel to stop. Destroy the red Heartstone to win. Keyboard + mouse: right-click to move or attack, A + click attack-move, S stop, Q W E R cast at the cursor, D flash, F or B recall, Space centres the camera, wheel zooms.