{
   "short_name": "Slideshow",
   "name": "Simple-Photo Gallery Slideshow",
   "icons": [
      {
         "src": "images/nice-icon.png",
         "sizes": "128x128",
         "type": "image/png"
      },
      {
         "src": "images/hires-icon.png",
         "sizes": "192x192",
         "type": "image/png"
      }
   ],
   "start_url": "/savePhoto",
   "display": "standalone",
   "orientation": "portrait"
}