{
  "name": "3D Open World Demo",
  "short_name": "3D World",
  "start_url": ".",
  "display": "fullscreen",
  "background_color": "#000000",
  "theme_color": "#000000",
  "description": "A simple 3D open-world progressive web app.",
  "icons": [
    {
      "src": "https://placehold.co/192x192/87ceeb/ffffff?text=3D",
      "sizes": "192x192",
      "type": "image/png"
    },
    {
      "src": "https://placehold.co/512x512/87ceeb/ffffff?text=3D",
      "sizes": "512x512",
      "type": "image/png"
    }
  ]
}