This document discusses the development of an Android application to manage dairy food products. It aims to digitize the supply chain process from manufacturers to distributors to retailers. The app allows users to view product catalogs and prices, place orders, check order histories and payments, and provide feedback. It is intended to reduce manual work by facilitating communication and data sharing between parties. The app design includes modules for users, administrators, orders, payments, and reports. It is concluded that the app will help optimize pricing and sales forecasts to benefit all members of the dairy supply chain.