Examine source code of Learn Alphabet Game

{
  "manifest_version": 2,
  "name": "Learn Alphabet Game",
  "version": "1.0",
  "description": "A fun mini-game for kids to learn the alphabet through sound and interaction.",
  "permissions": [],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icon.png"
  },
  "icons": {
    "48": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{dea40d89-1f3b-4db5-8de2-8d9c35234bfe}"
    }
  }
}