Start by defining the basic features of your app, like messaging and user sign-ups. Learn React Native for the front end and Go for the backend through tutorials. Begin with something simple like sending messages, then add features like authentication.If you get stuck, look at sample projects on GitHub or ask for help in dev communities or check out this article ,it covers everything from launching and monetizing your app. he key is to keep building step by step and focus on learning each part along the way.