You can access Gateway on your mobile browser, but the device may have some issues. See below for optimal mobile viewing.
Android:
The first time you log into Gateway from your device, you will be presented with an option to pick the mobile app or the Chrome version; all subsequent logins will default to the options you choose. To prevent the Groupon app from opening the page, choose Chrome as your default option.
For a more stable experience, default to the desktop version of the site:

iPhone:
For a more stable experience, default to the desktop version of the site:
