Doze - saving - we know All too well that the main cause of battery discharge is continuous data transmission. Often, this data transmission is enabled during the whole day, and the application can use it even when the screen is off. This application will limit the data transfer when the screen is off. This greatly reduces the consumption of your battery. Also, here is a list of active applications, so you can decide which applications to leave work when screen off. This application is very different from the standard, which are versions of Android 5.0, and 6.0, more fine tuning application performance.