King Scan scanning application allows you to have a simple, convenient, fast and enjoyable shopping experience, while at the same time you'll be benefiting from an efficient, cost-saving checkout system.The application is easy to use: Scan the cart QR code and start scanning product bar-codes as you go.Supersmart will validate the fully loaded carts, while you will instantly checkout and skip the tedious queues, resulting in a fast, secured and convenient purchasing cycle.