manifest.json

{
  "name": "Angular ES6 and Webpack Starter",
  "short_name": "ng Start Kit",
  "icons": [{
          "src": "app/images/icon-128.jpg",
          "type": "image/jpg",
          "sizes": "128x128"
        }, {
          "src": "app/images/icon-152.jpg",
          "type": "image/jpg",
          "sizes": "152x152"
        }, {
          "src": "app/images/icon-144.jpg",
          "type": "image/jpg",
          "sizes": "144x144"
        }, {
          "src": "app/images/icon-192.jpg",
          "type": "image/jpg",
          "sizes": "192x192"
        },
        {
          "src": "app/images/icon-256.jpg",
          "type": "image/jpg",
          "sizes": "256x256"
        },
        {
          "src": "app/images/icon-512.jpg",
          "type": "image/jpg",
          "sizes": "512x512"
        }],

  "display": "standalone",
  "start_url": "/#!/example",
  "scope": "/",
  "orientation": "landscape",
  "background_color": "#EE3268",
  "theme_color": "#EE3268"
}