Downloadable mobile application software for consumers to place food orders, drink orders, call server, and tender payment, from their mobile device; Downloadable operating software for cash registers, calculating machines, and restaurant management systems, including computers, laptops, tablets, phones; Downloadable software for processing restaurant point-of-sale transactions; Downloadable operating software for point-of-sale, (POS) systems, namely, point-of-sale terminals, cash registers, ...