Put your finger on the glowing dot and drag a line to the star. The line follows the paths and can't go through walls. Drag back along your line to undo. On big mazes, pinch to zoom and use the mini-map.
Open Settings in the game and tap Restore purchase. Make sure you're signed in with the same Apple Account you bought it with.
Purchases are handled by Apple. Visit reportaproblem.apple.com to ask for a refund.
Yes. There are no ads, no chat, no accounts and no tracking, and any purchase is behind a grown-up check. Read the privacy policy.