Examine source code of Streak fun moi Html5

{
  "manifest_version": 2,
  "name": "Streak fun moi Html5",
  "version": "1.0",
  "description": "Play Streak for free and simply right on Firefox. Simple without launching a website, exciting and fun",
  "permissions": [
    "activeTab"
  ],
  "browser_action": {
    "default_icon": {
      "114": "images/icon.png"
    },
    "default_popup": "popup.html",
    "default_title": "Streak fun moi"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ec31234f-7ce9-4be4-8f1f-c0b6ccd4dc33}"
    }
  }
}