manifest.json

{
  "name": "Google Santa Tracker",
  "short_name": "Santa Tracker",
  "start_url": "https://santatracker.google.com/?utm_source=web_app_manifest&utm_medium=web_app_manifest",
  "display": "fullscreen",
  "orientation": "landscape",
  "icons": [{
    "src": "images/apple-touch-icon-57x57-precomposed.png",
    "sizes": "36x36",
    "type": "image/png",
    "density": "0.75"
  }, {
    "src": "images/apple-touch-icon-57x57-precomposed.png",
    "sizes": "48x48",
    "type": "image/png",
    "density": "1.0"
  }, {
    "src": "images/apple-touch-icon-72x72-precomposed.png",
    "sizes": "72x72",
    "type": "image/png",
    "density": "1.5"
  }, {
    "src": "images/apple-touch-icon-114x114-precomposed.png",
    "sizes": "96x96",
    "type": "image/png",
    "density": "2.0"
  }, {
    "src": "images/apple-touch-icon-144x144-precomposed.png",
    "sizes": "144x144",
    "type": "image/png",
    "density": "3.0"
  }, {
    "src": "images/apple-touch-icon-144x144-precomposed.png",
    "sizes": "192x192",
    "type": "image/png",
    "density": "4.0"
  }]
}