{
  "name": "Visual Piano - MIDI Piano Practice Visualizer",
  "short_name": "Visual Piano",
  "description": "Upload a MIDI file and visualize piano performance with rhythm game-style falling notes. Supports playback speed adjustment and A-B loop for practice.",
  "start_url": "/en/",
  "display": "standalone",
  "background_color": "#1a1a2e",
  "theme_color": "#1a1a2e",
  "orientation": "landscape",
  "icons": [
    {
      "src": "/favicon.svg",
      "sizes": "any",
      "type": "image/svg+xml"
    },
    {
      "src": "/favicon-192x192.png",
      "sizes": "192x192",
      "type": "image/png"
    },
    {
      "src": "/favicon-512x512.png",
      "sizes": "512x512",
      "type": "image/png"
    }
  ],
  "categories": ["music", "education", "utilities"],
  "lang": "en"
}