Not available at App store is a tumblr where you can buy stickers or print stickers that you the put on places and things that offer adventure you can't find in the app store. Stick 'em all over kids communal playgrounds, on your dog, on that foosball table in the pub, on your friends forehead, on whatever floats your boat. *hides underwear full of stickers* It's cute, it can be posted in funny places, it has no real sender tied to the project and it's stickers. So yes, it's created by Hyper Island students. The trio are Linn Livijn Wexell, Rafael Ochoa and Caio Andrade.