Examine source code of Free App Launcher MOD

{
  "name": "Free App Launcher MOD",
  "description": "Get access to your apps in a browser action. Fast and Secure",
  "version": "0.8.6",
  "permissions": [
    "management"
  ],
  "browser_action": {
    "default_icon": "browser_action_icon.png",
    "default_title": "Free App Launcher MOD",
    "default_popup": "popup.html"
  },
  "icons": {
    "48": "icon.png"
  },
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{d10271e0-fd9e-49c7-9cf5-e7be017285d9}"
    }
  }
}