GreenPower Premium - Drop your useless apps to preserve battery, they all seem useless against this simple but feature rich application. Here you can find everything that really drains your battery and requires attention. Switching the operating mode of the smartphone between day and night modes, management of wi-fi and mobile Internet, and even manage your applications. It will be able to accurately optimize the performance of your device, while you can always go to the settings and configure everything as you wish.