manifest.json

{
  "name": "IMES",
  "short_name": "IMES",
  "description": "Your Smart Industry Helper",
  "icons": [
    {
      "src": "images/manifest/icon-128x128.png",
      "sizes": "128x128",
      "type": "image/png"
    },
    {
      "src": "images/manifest/icon-144x144.png",
      "sizes": "144x144",
      "type": "image/png"
    },
    {
      "src": "images/manifest/icon-152x152.png",
      "sizes": "152x152",
      "type": "image/png"
    },
    {
      "src": "images/manifest/icon-192x192.png",
      "sizes": "192x192",
      "type": "image/png"
    },
    {
      "src": "images/manifest/icon-256x256.png",
      "sizes": "256x256",
      "type": "image/png"
    },
    {
      "src": "images/manifest/icon-512x512.png",
      "sizes": "512x512",
      "type": "image/png"
    },
    {
      "src": "images/manifest/any.svg",
      "sizes": "any",
      "type": "image/svg"
    }
  ],
  "start_url": "index.html",
  "display": "standalone",
  "theme_color": "#202020",
  "background_color": "#FFFFFF",
  "gcm_sender_id": "103953800507"
}