Watermarbling is a unique immersion printing simulator developed by Geisha Tokyo Inc. It is a free iPhone game that allows users to create their own designs and coat 3D objects with them. The game is based on a simple concept: spill color paints on the water's surface, adjust the pattern using fingers, and submerge the desired object to create a beautiful watermarble design.

With Watermarbling, users can experiment with different colors and patterns to create their own unique designs. The game offers a wide range of tools for users to create their designs, including brushes, droppers, and spray cans. The game also features different types of objects that can be coated with the watermarble design, including cups, vases, and even shoes.

Overall, Watermarbling is a fun and creative game that allows users to unleash their creativity and design skills. It is easy to use and provides a great way to pass the time. Whether you are a beginner or an experienced watermarbler, this game is definitely worth checking out.