Like all smartphones, it is important for the Android 4.4.4 KitKat phones to keep the memory, used and available for the apps, within limits. It is required for the quick and efficient operational abilities of the smartphones or the smartphones will respond slowly. The first thing in the process is to know the space being used by the running apps, so that you may manage to close the unnecessary app.
It is an easy process which can be completed by following the instructions.
Command Line: Settings > Apps – DEVICE > Apps – Running.
From here, you may decide about the apps which are important for the smooth working of your phone and remaining apps may be closed.