The more you use your app cache builds and can slow the apps response
weekly - always do a router restart then turn stick off and on at wall once your internet has come back on
home button on remote - setting - apps = manage installed apps - find your app on the list
clear cache force stop then launch.
AS ABOVE BUT ALSO CLEAR DATA AND CONFIRM
U WILL NEED TO RE ENTER YOUR LOGIN AFTER CLEARING
DATA AND LAUNCHING APP
SO IMPORTANT YOU KEEP THESE SAFE AND ENTER THEM CORRECTLY