I usually use the brightest screen setting. No protector on the screen. And yeah, mine gets really hot too.I have the brightness set on 60%, have a screen protector on but it gets VERY hot...even the back is hot. I am in Texas so the weather is hot! Is that normal?
Try to stay out of direct sunlight if possible. Being in direct sunlight makes it even worse.I usually use the brightest screen setting. No protector on the screen. And yeah, mine gets really hot too.