{ "short_name": "Chess app", "name": "Responsive chess web app", "icons": [ { "src": "/favicon/android-chrome-192x192.png", "sizes": "192x192", "type": "image/png" }, { "src": "/favicon/android-chrome-512x512.png", "sizes": "512x512", "type": "image/png" } ], "start_url": ".", "display": "standalone", "theme_color": "#000000", "background_color": "#ffffff" }