MARS App.The mars app is an application for ordering products by marketing when meeting with customers.Initially, this application has a very messy UI and UX and looks like a web application. I am responsible for updating the UI and user experience as well as gathering information on how marketing flows when meeting with customers or potential customers. From some information, several features and flows are used which are very suitable for carrying out each stage such as visiting a customer's shop, taking orders, appointments and so on.In stages. I do information gathering, activity grouping, user experience for marketing, surveys on user interactions with the app, wireframing, Low-High Fidelity and finally done.The result in here :https://xd.adobe.com/view/def9f042-15b4-4908-8a82-2b9ec23081b5-8baa/