JOUJOU みつけてみよういろキャッチペン専用アプリ is an educational app developed by TOMY COMPANYLTD. for Android devices. It is a part of the JOUJOU series and is designed to teach children about colors through play. With this app, children can capture the colors around them using the camera on the back of the pen-shaped device and use those colors to create drawings and coloring pages.

The app recognizes 24 different colors, which children can use to create their own artworks. It is a fun and interactive way for children to learn about colors and develop their creativity. The app is free to use and is suitable for children of all ages.