title: How to detect that the application is being visited through a homescreen bookmark (embedded)?
body: <p>I am writing a react native application with expo SDK36.</p>
  
  <p>When a user visit the website, the manifest is used with splash and favicon to produce a nice PWA.</p>
  
  <p>If I add a bookmark on my home screen with safari or chrome, I get my application available without any store installation and without the search bar from the browser.</p>
  
  <p>How can I detect that the app is running   in an embedded webview ?</p>