Pony Mermaid Coloring Book is a simple and addictive coloring app suitable for all ages. The app provides a freehand drawing mode within the lines, color fill mode, and erase mode for fine erasing or complete coloring reset. The app also allows you to save, share, and print your creations on any connected devices. With a slim and user-friendly interface, the app offers nice relaxing background music or allows you to use your own background music.

The app is available on iPhone, iPod Touch, and iPad and supports old devices with iOS 9.0 and higher. Pony Mermaid Coloring Book can help improve your hand-eye coordination, creativity, and concentration abilities. It can also provide relief from stress and anxiety. If you accidentally lock the app, you can easily restore in-app purchases without paying again by following a few simple steps.

Overall, the app is a great way to entertain yourself and your children with endless coloring pages of pony mermaids. It has received positive reviews from users who appreciate the app's simple and cute design and fun coloring experience.