Walmart is finally jumping into the mobile payments game.<br />The retailer unveiled Walmart Pay, a new mobile payments system that allows shoppers to pay for in-store purchases via Walmart's iOS and Android app.<br />The payments system will begin to roll out to some stores Thursday.<br />Rather than using near field communication , the technology Apple Pay, Android Pay and other "tap to pay" systems rely on, Walmart Pay enables payments by scanning QR codes at point of sale terminals in the store.<br />You can link the Walmart app to your credit, debit or gift card and connect your Walmart account.<br />You also have to set a 4-digit passcode to authenticate purchases.
