Castle Coins is a free puzzle game developed by pink Apps for Android 9.0. It is a perfect match-3 game where you need to bring together all coins of the same color to collect them. The game board is set up like a maze and to unite the coins, you have to rotate the board in the correct direction by using the arrow keys.

The game has a simple and user-friendly interface, making it easy to understand and play. The levels are challenging and require strategic thinking to complete. As you progress through the levels, the game becomes more difficult, but not impossible. The graphics and sound effects are well designed and add to the overall experience of the game.

If you're a fan of match-3 games and love a good puzzle challenge, Castle Coins is definitely worth a try. Download it for free on the Google Play Store and put your puzzle-solving skills to the test!