Examine source code of Exodify

{
  "applications": {
    "gecko": {
      "id": "exodify@facetts.com"
    }
  },
  "manifest_version": 2,
  "name": "Exodify",
  "version": "0.5.5resigned1",
  "description": "Adds numbers of trackers on google play apps using Exodus Privacy.",
  "icons": {
    "48": "icons/exodify-48.png"
  },
  "background": {
    "scripts": [
      "browser-polyfill.js",
      "ep-api.js",
      "background.js"
    ]
  },
  "permissions": [
    "https://reports.exodus-privacy.eu.org/api/search/*",
    "storage",
    "activeTab"
  ],
  "options_ui": {
    "page": "settings/options.html",
    "browser_style": true
  },
  "content_scripts": [
    {
      "matches": [
        "*://play.google.com/*"
      ],
      "js": [
        "browser-polyfill.js",
        "ep-api.js",
        "exodify.js"
      ],
      "css": [
        "exodify.css"
      ]
    },
    {
      "matches": [
        "*://reports.exodus-privacy.eu.org/*/analysis/submit/*"
      ],
      "js": [
        "exodify-sub.js"
      ]
    }
  ],
  "browser_action": {
    "default_icon": "icons/exodify-32.png",
    "default_title": "Exodify",
    "default_popup": "popup/exodify_pop.html"
  }
}