The SnowShoe Stamp is a fun and easy way redeem special deals on your phone from your favorite stores. 1. Download the Store's custom branded iPhone or Android app. 2. Purchase an item that's in the app. 3. Have the cashier stamp your phone screen. 4. Share and earn points. Why clutter your wallets with punch cards, when you can keep them on your phone? Win extra punches when you share your purchase with your friends on Foursquare, Facebook, or Twitter!