Stay away from any apps they claim to help you. Either you have a wired VGA, HDMI etc output or you don’t. If this makes no sense take peripherals 101.
On our smart tv, we can go youtube by going to the apps. A youtube app was built in. Or from the apps, we could go to opera or chrome and type in youtube.com to get there.
Orba wifi direct compliant router and tv... or buy a dongle setup like this http://www.walmart.com/ip/49158550?wmlspartner=wlpa&adid=22222222228037084377&wl0=&wl1=g&wl2=m&wl3=83872775432&wl4=&wl5=pla&wl6=164473445072&veh=sem