Mermaid Action is a free puzzle game developed by Wonder Game Inc. for Android devices. The game consists of solving puzzles to rescue a mermaid. The player must match three or more items of the same type to progress through the levels.

The game has a beautiful underwater theme with colorful graphics and soothing music. There are various power-ups and boosters that the player can use to help them complete the levels. The game has multiple levels that get progressively harder as the player advances, providing a challenging experience for puzzle enthusiasts.

Overall, Mermaid Action is an enjoyable and addictive puzzle game that is suitable for all ages. The game is free to download and play, with in-app purchases available for additional power-ups and boosters. If you're looking for a fun and challenging puzzle game, Mermaid Action is definitely worth a try.