manifest.json

{
  "name": "QCObjects New App",
  "short_name": "qcobjects_newapp",
  "theme_color": "rgb(1,1,1)",
  "background_color": "rgb(1,1,1)",
  "display": "standalone",
  "description": "Awesome application that will help you achieve your dreams.",
  "orientation": "portrait-primary",
  "lang": "en-US",
  "dir": "auto",
  "scope": "/",
  "categories": ["utilities"],
  "start_url": "/?homescreen=1",
  "icons": [{
      "src": "img/icons/icon-72x72.png",
      "sizes": "72x72",
      "type": "image/png"
    },
    {
      "src": "img/icons/icon-96x96.png",
      "sizes": "96x96",
      "type": "image/png"
    },
    {
      "src": "img/icons/icon-128x128.png",
      "sizes": "128x128",
      "type": "image/png"
    },
    {
      "src": "img/icons/icon-144x144.png",
      "sizes": "144x144",
      "type": "image/png"
    },
    {
      "src": "img/icons/icon-152x152.png",
      "sizes": "152x152",
      "type": "image/png"
    },
    {
      "src": "img/icons/icon-192x192.png",
      "sizes": "192x192",
      "type": "image/png",
      "purpose": "any maskable"
    },
    {
      "src": "img/icons/icon-384x384.png",
      "sizes": "384x384",
      "type": "image/png"
    },
    {
      "src": "img/icons/icon-512x512.png",
      "sizes": "512x512",
      "type": "image/png"
    }
  ],
  "screenshots" : [
    {
      "src": "img/screenshots/screenshot1.webp",
      "sizes": "1280x720",
      "type": "image/webp"
    },
    {
      "src": "img/screenshots/screenshot2.webp",
      "sizes": "386x511",
      "type": "image/webp"
    }
  ],
  "splash_pages": null,
  "prefer_related_applications": false,
  "related_applications": [{
      "platform": "play",
      "url": "https://play.google.com/store/apps/details?id=com.example.qcobjects_newapp",
      "id": "com.example.qcobjects_newapp"
    },
    {
      "platform": "itunes",
      "url": "https://itunes.apple.com/app/qcobjects_newapp/id123456789"
    }
  ]
}