You can install the wall plate mounting bracket on either side of the corner, then use the articulating arm to tilt and swivel the TV into position — avoiding glare from windows and adjusting it to the optimum viewing angle.
Hanging a TV Above a Fireplace
SOLUTION: It's common to hang a TV above the fireplace like a piece of artwork, which poses a problem: it's above eye level, which isn't ideal. Solve the problem by using a tilting mount, which will allow you to tilt the TV downward better aligning it with your natural viewing angle.
For unique sightlines like a gaming room or a workout room, the tilting mount might also be the best option.