A:AnswerIt has YouTube built in have not watched anything on it yet but it is built in to the tv so I don’t see why you could not watch YouTube tv on it
A:AnswerTake a screw, and thread it lightly by hand into the back of the tv without the bracket. If the screw "bottoms" out and is still sticking out, use a slightly shorter screw.
A:AnswerThis particular model does not. If LG sells one similar in the European market, it probably does since most, if not all of Europe, uses 220V in homes.