Well I now use a mi box on all my tvs. Lol Disney junior is still not ideal at least on latest stable client and server. Zoom function helps but I have boarders on the left and right. This was with the zoom options out of the options for zoom this one filled the screen the most. Have not tried vlc yet but I bet it can fill the screen.
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Looks like a 4:3 program on a 16:9 panel, no...?