The prefer_related_applications member is a boolean value that specifies that applications listed in related_applications should be preferred over the web application.
If the prefer_related_applications member is set to true, the user agent might suggest installing one of the related applications instead of this web application.
pwa:
manifest:
prefer_related_applications: true
related_applications:
- platform: "play"
url: "https://play.google.com/store/apps/details?id=com.example.app1"
id: "com.example.app1"
- platform: "itunes"
url: "https://itunes.apple.com/app/example-app1/id123456789"
- platform: "windows"
url: "https://apps.microsoft.com/store/detail/example-app1/id123456789"Currently known possible values for the platform member are as follows;
"chrome_web_store": Google Chrome Web Store.
"play": Google Play Store.
"chromeos_play": Chrome OS Play.
"webapp": Web apps.
"windows": Windows Store.
"f-droid": F-droid.
"amazon": Amazon App Store.