Developer's DescriptionBy GrouponThe new GrouponMerchant app lets merchants manage their Groupon campaign directly from their smartphone. Use the GrouponMerchant app to...The new GrouponMerchant app lets merchants manage their Groupon campaign directly from their smartphone. Use the GrouponMerchant app to:Scan and redeem Groupons using your phones cameraView customer feedback and share rave reviews on your social media pagesTo get started, download the app and sign in with your merchant credentials.