snapdrop/app/manifest.json

{
    "name": "Snapdrop",
    "short_name": "Snapdrop",
    "icons": [{
        "src": "images/touch/icon-128x128.png",
        "sizes": "128x128",
        "type": "image/png"
    }, {
        "src": "images/touch/apple-touch-icon.png",
        "sizes": "152x152",
        "type": "image/png"
    }, {
        "src": "images/touch/ms-touch-icon-144x144-precomposed.png",
        "sizes": "144x144",
        "type": "image/png"
    }, {
        "src": "images/touch/chrome-touch-icon-192x192.png",
        "sizes": "192x192",
        "type": "image/png"
    }, {
        "src": "images/touch/chrome-splashscreen-icon-384x384.png",
        "sizes": "384x384",
        "type": "image/png"
    }],
    "background_color": "#3367d6",
    "start_url": "index.html",
    "display": "standalone",
    "theme_color": "#3367d6"
}