Go Green Challenge is a lifestyle application available for Android users. It is developed by Exystem and is free to use. The app aims to make the world a little greener by providing daily and weekly tasks to its users. By completing these tasks, users can improve their impact on the environment. The app follows the principle of "Many a mickle makes a muckle!" and encourages users to take small steps towards a greener planet.

The app comes with a scoring system that tracks the user's progress and gives them points based on the tasks completed. Users can view their score history and track their progress over time. The app also provides hints and information on environmental issues, educating users about the importance of environmental sustainability.

Overall, Go Green Challenge is an excellent companion for those who want to make a positive impact on the environment. Its easy-to-use interface and engaging tasks make it an ideal choice for anyone who wants to take small steps towards a greener planet.