I treat a heart as a wrong cat. Oakever’s description says you double-tap a tile to place a cat and that you have three chances. Guess wrong and you lose one. I confirmed that wording on the Google Play listing on 30 September 2026.
Hints are narrower than a solution. Guides for the browser versions say the hint control points at a useful square instead of filling the board. I use that behavior as a description of those builds. I have not copied an official diagram of the mobile hint button, so I will not name an icon.
Two things I will not state as fact: how fast hearts return, and whether a purchase buys more hints. The listing shows ads and in-app purchases on Android, but it does not itemize them. Prices belong on the ads page, and only as far as the store page itself goes.
If you want to rehearse the placement rule without spending app hearts, the practice board lets you undo for free.
Questions I keep getting
What happens when I run out of hearts?
The listing I checked says you have three chances. It does not say whether hearts refill on a timer, an ad, or a purchase. I leave that as unconfirmed.
Sources
- Google Play description — checked 2026-09-30