If the manufacturer set it to 720 in drivers, then we can't do anything about it, if I got it right, since our skin is full HD 1080.
Once you start a movie it will be across the whole screen, btw...
OLM, Iwaatch, Streamlord, YIFY, xG+Hamster, HbbTV in terms of videos and more, like Radio and so on...
Use VPN with the video FNC plugins!