On Monday, February 19th, at Chick-Fil-A Katy Mills, we are having Mega Mobile Monday from 10:30AM-10:00PM! When you purchase an entree, dessert, or side item using the Chick-fil-A One App, you will receive a FREE Spicy Chicken Sandwich. If you Like, Share, and Comment on this post, one person will win a FREE Spicy Chicken Sandwich for the remainder of the week. Only one offer per mobile order, per person, per day. We look forward to serving you!