Brainsnag Level 27 answer: Tiny Sign
The level says: “Do what the sign says”
Hints first (no spoilers)
Hint 1You need to read the sign first.
Hint 2Too small? Make it bigger. Not the screen. The sign.
Hint 3Pinch-zoom the sign (scroll over it on desktop) until it says what to do, then tap me, the troll, at the bottom.
Show the full solution
The sign is too small to read. Pinch-zoom the sign itself (mouse wheel over it on desktop) until it reads "TAP THE TROLL". Then tap the troll mascot at the bottom of the screen.