{
  "short_name": "Flappy Bird",
  "name": "Flappy Bird",
  "start_url": "",
  "display": "fullscreen",
  "icons": [
    { "src": "thumbs/180.jpg", "sizes": "180x180", "type": "image/jpeg" },
    { "src": "thumbs/360.jpg", "sizes": "360x360", "type": "image/jpeg" },
    { "src": "thumbs/540.jpg", "sizes": "540x540", "type": "image/jpeg" },
    { "src": "thumbs/720.jpg", "sizes": "720x720", "type": "image/jpeg" }
  ]
}