manifest.json

{
  "short_name": "Flat Icon",
  "name": "Flat Icon Generator",
  "icons": [
    {
      "src": "img/mobile/android/36.png",
      "sizes": "36x36",
      "type": "image/png",
      "density": 0.75
    },
    {
      "src": "img/mobile/android/48.png",
      "sizes": "48x48",
      "type": "image/png",
      "density": 1.0
    },
    {
      "src": "img/mobile/android/72.png",
      "sizes": "72x72",
      "type": "image/png",
      "density": 1.5
    },
    {
      "src": "img/mobile/android/96.png",
      "sizes": "96x96",
      "type": "image/png",
      "density": 2.0
    },
    {
      "src": "img/mobile/android/144.png",
      "sizes": "144x144",
      "type": "image/png",
      "density": 3.0
    },
    {
      "src": "img/mobile/android/192.png",
      "sizes": "192x192",
      "type": "image/png",
      "density": 4.0
    },
    {
      "src": "img/mobile/android/384.png",
      "sizes": "384x384",
      "type": "image/png"
    }
  ],
  "start_url": "/",
  "display": "standalone",
  "orientation": "portrait",
  "theme_color": "#2196f3",
  "background_color": "#fefefe",

  "gcm_sender_id": "371291709929",
  "permissions": [
    "gcm"
  ]
}