Air Horner Progressive Web App - sample manifest file

manifest.json

{
  "name": "The Air Horner",
  "short_name": "Air Horner",
  "icons": [
      {
        "src": "images/touch/Airhorner_512.png",
        "type": "image/png",
        "sizes": "512x512"
      }],
  "start_url": "/?homescreen=1",
  "display": "standalone",
  "orientation": "portrait",
  "background_color": "#2196F3",
  "theme_color": "#2196F3"
}