Let's fire up Expo Snack and clone our first repository by clicking the ... icon and click import git repository.
Paste this git repository link
https://github.com/EvanBacon/react-flappy-bird and press the import button.
Press the add button on the lower left corner as shown below to add the PixiJS library into the project.
On the right panel you can press Run on your device and scan the QR code with the Expo app on your iOS/Android phone.