Pocket Mobile POS is a simple and powerful total O2O payment platform that anyone who can have a tablet pc is able to use – much easier compared to the previous POS system. Store owners can provide customized discount promotional coupons which supports marketing activities for their customers anywhere all around the world. Pocket Mobile POS users can provide many benefits to their customers. Customers can save their time without waiting time by making pre-order via smartphone. As it provides other services such as free music according the style of the shop, it enables people to make a big differentiation as an e-commerce platform and an offline total payment tool.