chromium/third_party/blink/web_tests/wpt_internal/installedapp/resources/manifest.json

{
  "name": "InstalledRelatedApps test",
  "short_name": "Test",
  "related_applications": [
    {"platform": "play", "id": "com.test"},
    {"platform": "itunes", "url": "https://itunes.apple.com"}
  ]
}