Problem ticker app

[hungdlv]

Hello everybody,

I bought a smart tv f6400. Now i have a problem ticker app on it.
I installed AP News (ticker app) from samsung app and go to..
Menu -> Smart Features -> App Setting -> ticker -> AP News
But when i power TV off and power it on. My TV do not autorun the app.

Can everybody help me resolve the problem??
Thank you.
HUNG