Keyboard Left / Right move. Down soft drop. Up or X rotate clockwise. Z rotates the other way. Space hard drops. P pauses. R restarts.
Touch Use the on-screen buttons below the board for left, right, rotate, soft drop, hard drop, and pause. Tap the board itself to rotate the active piece. Hold left, right, or soft drop to repeat the action comfortably. The board stays centered and full-width on smaller screens.