Periodic Table is a free educational mobile application developed by Roaming Squirrel for Android users. It offers a pictorial representation of the periodic table of the elements, making it an excellent tool for students, teachers, and anyone interested in learning about chemistry.

The app features a user-friendly interface, and users can click on each element to view its details. The app also provides a "Show Legend" option that shows the listing of the element groups. This feature is useful for those who want to understand the periodic table's layout and the organization of elements.

The app's design is simple and intuitive, and it provides a great learning experience for users. The app is suitable for all ages, and it can be used as a supplement to classroom learning or as a standalone learning tool.

Overall, Periodic Table is an excellent app for anyone interested in learning about chemistry and the periodic table of elements. It's free, easy to use, and provides accurate and relevant information.