Add the S&H Green Stamp app to your phone
Once you've created an account here, use your mobile phone to navigate to app.greenstampsforgood.com
NOTE: Before you log into the mobile app using your email and password that you used when you created your account, add the S&H Green Stamp icon to your phones home screen as a favorite by following the instructions below. If you log in first, you will need to log out and re-navigate to app.greenstampsforgood.com to add the icon.
iPhone
You can add the S&H Green Stamp icon to your iPhone Home Screen for quick access to the S&H app.
Once you get to app.greenstamps.com, tap 
at the bottom of the screen, then select Add to Home.
Android Phone
When you get to app.greenstampsforgood.com tap the menu and select add to home screen.
When you make a purchase at a participating merchant, use the app to scan the store code.