This is the preview app for the Pocket UI Kit that you can buy from here: https://www.epicpxls.com/items/pocket-ui-kit-fintech-app There is also a live demo and presentation page here: https://react-native-pocket.epicpxls.com/ You get Sketch files and Photoshop files with the app when buying.
Pocket UI Preview is an Expo project. Get started with your own project.