manifest.json

{
  "background_color": "#2F5BE7",
  "display": "standalone",
  "orientation":"portrait",
  "theme_color": "#2F5BE7",
  "short_name": "DSC Kisii",
  "name": "DSC Kisii University",
  "description": "Developer Student Clubs is a Google Developers program for university students to learn mobile and web development skills",
  "lang": "en-US",
  "icons": [
    {
      "src": "images/icon.png",
      "sizes": "72x72",
      "type": "image/png"
    },
    {
      "src": "images/icon.png",
      "sizes": "96x96",
      "type": "image/png"
    },
    {
      "src": "images/icon.png",
      "sizes": "128x128",
      "type": "image/png"
    },
    {
      "src": "images/icon.png",
      "sizes": "144x144",
      "type": "image/png"
    },
    {
      "src": "images/icon.png",
      "sizes": "152x152",
      "type": "image/png"
    },
    {
      "src": "images/icon.png",
      "sizes": "192x192",
      "type": "image/png"
    },
    {
      "src": "images/icon.png",
      "sizes": "384x384",
      "type": "image/png"
    },
    {
      "src": "images/icon.png",
      "sizes": "512x512",
      "type": "image/png"
    }
  ],
  "start_url": "index.html?launcher=true"
}