Calling all T-Mobile & Sprint customers! Get the app and play the T-Mobile Tuesdays Game for your chance to get FREE 2-Stack of Pancakes at IHOP, FREE 30-Day Trail of MotorTrend Streaming Service, FREE Shutterfly Calendar (just pay shipping), $.10 off per gallon of gas at Shell, and more! Also, if you play the Hidden Frankenstein, you'll score a FREE $4 Baskin Robbins gift card. This offer is valid today, October 20th only.