The app is Metro Gas Sales, Incs official rewards program. Metro Gas Sales, Inc is one of the most renowned retailer in the Oil and Gas industry. The Metro Gas loyalty app is to show our appreciation to our most loyal customers. Stay connected with the latest news, collect points for every purchase, and redeem exciting rewards from our catalog in just a few clicks! We also want you to know that your voice is heard, use the app to send us feedback about our products and/or services.