{
  "name": "Abacus Trainer 3D",
  "short_name": "Abacus",
  "description": "Learn mental math with an interactive 3D abacus",
  "start_url": "/",
  "display": "standalone",
  "orientation": "landscape",
  "background_color": "#1a1a2e",
  "theme_color": "#1a1a2e",
  "icons": [
    {
      "src": "/icon.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "any maskable"
    }
  ]
}
  ]
}