{
  "name": "Listening Playground",
  "short_name": "Listening",
  "description": "Explore environmental sounds with visualization",
  "start_url": "./",
  "display": "standalone",
  "background_color": "#f8fafc",
  "theme_color": "#2563eb",
  "icons": [
    {
      "src": "data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Ctext y='75' font-size='75'%3E🔊%3C/text%3E%3C/svg%3E",
      "sizes": "192x192",
      "type": "image/svg+xml"
    }
  ]
}