Press your home button and select Nova Launcher, then choose "Always." Performance Tips for Older Hardware
Older RAM modules struggle with background processes; keep your home screen lean. nova launcher prime apk for android 442 top
This is a memory dump issue on 4.4.2. Go to Developer Options (tap build number 7 times in About Phone) and set "Background process limit" to 4 processes at most . Press your home button and select Nova Launcher,