https://www.t-mobiletuesdays.com/ -every Tuesday T-Mobile is going to have free stuff and contests available for T-Mobile Customers.  You will be able to access this promotion using their Android or iOS app.
This is live again for this week. Access the app  to get these items:

      • Free $1 Dunkin’ card
      • BOGO free pretzel at Auntie Anne’s
      • Free 3 month chess subscription
      • BOGO Sunday hour of Play at TopGolf
      • $.10 off per gallon at Shell

    -Update – This is now valid for Sprint customers as well.