LOS ANGELES, Sept. 16, 2011—Check In To Win is a new, FREE shopper-loyalty mobile application developed by Lunchbox, LLC (“Lunchbox”). Giving shoppers a compelling reason to leave their homes to start shopping in stores again, users can quickly earn rewards when they win. And winning is simple - check in to your local Walmart or Sam’s Club, locate special products, find the combo plays and win! Partnered with Unilever, the initial launch features nearly 50 promoted products and special displays found in....