It is designed and implemented in extremely lightweight, with an average RAM footprint of less than 5M, and nearly zero CPU and battery consumption. Interestingly Greenify works well with non-rooted devices too but with root privileges, this app can do wonders. Greenify - one of the best root apps for Android to identify and put the misbehaving apps into hibernation when you are not using them, to stop them from lagging your device and leeching the battery.
