Examine source code of Touch Ball Game

{
  "manifest_version": 2,
  "name": "Touch Ball Game",
  "version": "1.0",
  "description": "The game play is easier as you just need to click and keep clicking on the ball that appears on the screen as soon",
  "permissions": [
    "activeTab"
  ],
  "browser_action": {
    "default_icon": {
      "48": "images/icon.png"
    },
    "default_popup": "popup.html",
    "default_title": "Touch Ball Game"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ec3a33dc-ec52-40a9-8e56-af2aeba916b9}"
    }
  }
}