Mushroom Ocean: Merge Star is a free role-playing game developed by A3 Hostingker for Android users. The game is set in an underwater world where the player has to collect different kinds of sea creatures by merging them and creating new species.

The game has an easy-to-use interface that allows players to swipe and merge creatures to create new ones. There are different levels to play, and the difficulty level increases as the player advances through the game. The game also includes a variety of power-ups that can be used to enhance the gameplay and help players progress faster.

Overall, Mushroom Ocean: Merge Star is a fun-filled game that offers an engaging and entertaining experience to players who love role-playing games. The game is free to play, and there are no in-app purchases required to progress through the levels.