Examine source code of Vocab_Explorer

{
  "manifest_version": 2,
  "name": "Vocab Explorer",
  "version": "1.0",
  "description": "A delightful quiz game that challenges users to translate Vietnamese vocabulary into English, designed to boost language learning and vocabulary retention.",
  "icons": {
    "48": "vocab_icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "Vocab Explorer"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{9c8fe626-1c31-45ed-883a-5ad2d983d892}"
    }
  }
}