Applejack found your Appledash, Applejack approves
Sign 1: Dark room
Sign 2: Very Bright Screen
= EASY JUMP SCARES
That is all.
I like how we're left open to interpretation of whatever it is she's looking aloing with the fact we're given all indication it's likely... improper.
Enjoyably funny whether you decide she stumbled onto a naughty site, or might has seen something about somepony and she just can't pull herself away. lol