This is not too difficult of a puzzle. It is mostly an entertaining one and to get you to think outside the box. This is from a bullet game played by ChessNetwork (Jerry, who hosts a chess channel on YouTube). Do not forget to click hints/solution to check your final answer! Good luck!
Pawn Promotion Puzzle
Maybe the queen can help the h pawn move forward?
1. … Qg3+!
2. hxg3 h2+
3. Kf1 h1=R#