Answers first, email second.
Tap anywhere to jump, release early for a short hop, tap again mid-air to double-jump. Eat the burgers; the feet take care of themselves.
Five free runs a day, refreshed at midnight. "Run forever" ($0.99, one time) removes the count.
On the nap-time screen, tap restore purchase. Purchases follow your Apple ID across devices.
Sign in to Game Center, then tap the Game Center badge on the title screen. Distance and burgers-per-run each have a board.
Email joeydsmith@gmail.com with your device model and what happened. Screenshots help.