📱 Mobile
- Tap a card to select it
- Tap a valid destination to move
- Double-tap a card to auto-move to foundation
- Long-tap to undo
💻 Desktop
- Click a card to select it
- Click destination to move
- Double-click to send to foundation
- Ctrl+Z to undo
💡 Pro tip: Always move Aces and 2s to the foundation immediately. Uncover face-down cards before building long tableau sequences.