| Click a piece in your tray, then click the board: the piece lands tentatively — adjust it, then Play. | |
| R / Q | rotate (in place) |
| F / V | flip (in place) |
| drag | nudge the tentative piece |
| space / enter | Play (confirm) |
| ← / → | next / previous piece |
| esc | put the piece back |
| ? | this card |