Emerald Empire is a free productivity app for Android developed by Dueros Team. This app is designed to help you manage your time effectively using the tomato method. The app allows you to set the required number of work approaches, work time, and break time, which helps you to distribute your workload evenly and avoid feeling tired.

The app also has a unique feature where you grow an emerald crystal with your concentration. If you abandon your work, the crystal will not grow. With Emerald Empire, you can track your productivity and build your empire of emerald crystals. The app is easy to use and accessible, making it a great tool for anyone looking to increase their productivity.