Everything is going mobile nowadays — even chicken sandwiches! To celebrate the launch of its new mobile app, Chick-fil-A is giving away a FREE chicken sandwich at participating locations. Simply download (or update) the app and create a Chick-fil-A One Account from June 1 to 11. (The FREE sandwich will be loaded onto your account — under “available treats” section on the main page. The offer must be redeemed by June 30.) For the freebie, choose from a Chick-fil-A Chicken Sandwich, Spicy Chicken Sandwich or Grilled Chicken Sandwich. For more details about the giveaway, including specifics about downloading and redemption, click here. To download the app via iTunes, click here. To download the app via Google Play, click here.