manifest.json

{
    "name": "Random Big Emoji",
    "short_name": "Random Big Emoji",
    "theme_color": "#ffcc33",
    "background_color": "#ffcc33",
    "display": "fullscreen",
    "Scope": "/",
    "start_url": "/",
    "icons": [
        {
            "src": "/img/icons/icon-72x72.png",
            "sizes": "72x72",
            "type": "image/png"
        },
        {
            "src": "/img/icons/icon-96x96.png",
            "sizes": "96x96",
            "type": "image/png"
        },
        {
            "src": "/img/icons/icon-128x128.png",
            "sizes": "128x128",
            "type": "image/png"
        },
        {
            "src": "/img/icons/icon-144x144.png",
            "sizes": "144x144",
            "type": "image/png"
        },
        {
            "src": "/img/icons/icon-152x152.png",
            "sizes": "152x152",
            "type": "image/png"
        },
        {
            "src": "/img/icons/icon-192x192.png",
            "sizes": "192x192",
            "type": "image/png"
        },
        {
            "src": "/img/icons/icon-384x384.png",
            "sizes": "384x384",
            "type": "image/png"
        },
        {
            "src": "/img/icons/icon-512x512.png",
            "sizes": "512x512",
            "type": "image/png"
        }
    ],
    "splash_pages": null
}