A free program for Android, by Zentric Games.

Jumping Jack is a physics based platform game, where the main task is to collect all of the pieces of a mysterious key. Along the way, you will have to jump over obstacles and solve puzzles. The more you complete the more the key will be unlocked. When you find the key you will be able to open a mysterious chest and get all of the items inside the mysterious chest.

You can collect many different items and use them to complete the different puzzles. Some of the items will give you information, while others will help you solve the puzzle.

The platform game has many different areas. Each area has a different look and feel.