02222222225{
  "name": "keyboard Tester - Test Your keyboard Online",
  "short_name": "Keyboard Tester",
  "description": "Keyboard Tester - Test Your Windows Keyboard Online and 100% FREE . ",
  "start_url": "https://www.testkeyboard.org/",
  "scope": "https://www.testkeyboard.org/",
  "display": "standalone",
  "theme_color": "#ff740e",
  "background_color": "#3367D6",
  "icons": [
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      "src": "apple-touch-icon.png",
      "sizes": "192x192",
      "type": "image/png",
      "purpose": "any"
    },
    {
      "src": "apple-touch-icon.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "any"
    },
    {
      "src": "apple-touch-icon.png",
      "sizes": "192x192",
      "type": "image/png",
      "purpose": "maskable"
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    {
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      "sizes": "512x512",
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}