How do I build mobile apps with React Native and Expo?

Expo is a framework and platform for building React Native applications. It provides a set of tools and services that make mobile app development easier, including a managed workflow and over 40 built-in libraries.

How do I get started with Expo?

Run 'npx create-expo-app my-app' to create a new project. Then use 'npx expo start' to start the development server. You can preview your app on your phone using the Expo Go app.