Emerald Sun Energy is a free app available for anyone to download and is used for those that want to communicate with Emerald Sun Energy. It is as simple as downloading the App and register as a user. Once registered, you can begin communicating right away. We will reach out to you via push notifications and in-app messaging to improve your overall buying experience. Once you purchase your new Product from Emerald Sun Energy, feel free to write a review. We appreciate your business.