Simon Grimm, an Ionic Developer Expert, provides a comprehensive tutorial on building a Progressive Web App (PWA) using Ionic and Angular, enhanced with Capacitor plugins to utilize native functionalities like image capture and geolocation. The guide walks through the setup of a new Ionic project with Capacitor, integrating PWA capabilities using Angular schematics, and adding Capacitor plugins for native device interactions. It illustrates the process of capturing images and obtaining user location data, then sharing it using Capacitor's Share plugin. To test and deploy the PWA, the tutorial recommends using tools like http-server for local testing and Netlify for hosting, emphasizing the straightforward adaptation of the app for native iOS and Android platforms. Grimm also highlights the flexibility of Capacitor to work with various frameworks and suggests resources for further learning, including his Ionic Academy and YouTube channel.