Official react-europe app for the May 2019 conference, May 23-24 in Paris, France. Read the source or get the app store and play store links on Github: https://github.com/react-europe/react-europe-2018-mobile. Credits to Brent Vatne and Expo.
This demonstrates a bunch of the native components that you can use in React Native core and Expo.
This project is really great.