Add the S&H Green Stamp app to your phone
1. Visit app.greenstampsforgood.com
on your phone.
2. Do not log in yet.
3. On the iPhone find and tap the share icon 
at the bottom center of the screen, scroll
down or to the right depending on the version of iPhone and select Add to
Home Screen.
4. On an Android phone, tap the menu at
the top right of the screen and select either add app or add to home screen,
depending on what browser you are using.
The S&H
Green Stamps icon should now be displayed on your phone. The next step is to
log in using the same email and password that you used when you created your
account.
Use the phone app to scan the S&H Green Stamps code.