Use application manager to improve your app and device performance.
INSTRUCTIONS & INFO
CLEAR APP CACHE: Swipe down from the Notification bar, then select the Settings icon >  Apps > desired app > Storage > CLEAR CACHE.
FORCE STOP AN APP: Swipe down from the Notification bar, then select the Settings icon >  Apps > desired app > select FORCE STOP. Select OK to confirm.
CHECK FOR APP UPDATE: Select the Play Store app from the home screen > Menu icon > My apps & games > select the desired app > UPDATE.
REMOVE AN APP: Select UNINSTALL. Select OK to confirm.