Computer software development in the field of restaurant delivery/carryout, customer service and mobile applications, specifically design and development of software that retrieves orders, indicates order statuses, displays a selected order, changes order status of a selected order, and communicates order status updates to customers or a restaurant server where software adopts on mobile appliances to monitor the point-of-sale system for updates to menu information, and to transmit updated menu information to restaurant servers coupled to a database storing menus; Providing a web site featuring temporary use of non-downloadable software for use in facilitating the advertising and marketing of restaurants to consumers, for accessing restaurant menus, for placing restaurant orders, for monitoring the status and/or location of restaurant orders, and for restaurants to manage customer order information; Providing on-line non-downloadable software for member restaurants to manage customer order information using mobile devices