Coloring book gacha life is a great coloring application that can be used by children to have fun, learn about animals and have a relaxing time. The application is designed for children and the user interface is easy to understand, making it suitable for children of all ages. The application is free and the user can use it on his/her phone. 

To use the application, children must first select a color from the palette, then draw a picture of the selected animal and choose a color from the palette to color the image. They can use their fingers to draw the picture and use the palette to choose the color.