Examine source code of Pixel Heroes Quiz

{
  "manifest_version": 2,
  "name": "Pixel Heroes Quiz",
  "version": "1.0",
  "description": "Level up your gaming knowledge in English! This popup quiz gives a Vietnamese clue about a famous video game character — guess the correct English name. Perfect for gamers, retro fans, and learners who love virtual worlds.",
  "icons": {
    "48": "game_icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "Pixel Heroes Quiz"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{685c78df-d3a5-43fd-a53d-dbcb2cc0ee90}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}