Build me a simple flutter based mobile application -- 2

(This project is time-sensitive)A platform that connects you with various NGOs and donation groups to make your donation easier. This app will contain a repository of all the non-profit organisations with their profiles you can filter according to your requirements and make your donation. With the hit of covid19, people of need have suffered the most. Not everyone can make monetary donations but, that doesn't mean we can't help. Most of the donation apps present usually ask for money. But we can help in different ways. From books to clothes, the door-step pickup would break the various barrier. sample prototype - [login to view URL](Community)?page-id=0%3A1&node-id=3%3A99 changes can be made while developing the app to fit the deadline. The sample is a bit complex, I need a much simpler version of it. Main things needed- 1. login/registration 2. select what to donate 3. location selection 4. scheduling pickup. - I would be needing the source code - sharable apk