A free app for Android, by Kumisan Team Dev.

A game that will give you an experience of survival in the sea. In the game, you can explore oceans, seas, and rivers. You will be in charge of building your own home on the sea, and it will be your responsibility to keep it safe and protect it from dangers. You will have to craft weapons and armor to fend off dangerous mobs. 

You will also be responsible for foraging for food, and it is up to you to decide what kind of food you will forage. There are many different plants and animals in the game, and you will have to learn to recognize them and learn their characteristics. It is also up to you to choose what kind of home you will build. 

The game is based in the open world, and you will have the freedom to explore and build in a sandbox environment.