6Valley delivery man flutter app is the most important module of the 6Valley eCommerce system. Admin and Seller can assign an order to a Delivery man for delivered the order. The delivery man can see the delivery location, order details, and payment details. 6valley is a complete e-commerce system and its mobile app is developed by flutter. Flutter is an open-source UI software development kit created by Google. It is used to develop cross-platform applications for both Android and iOS, from a single codebase.