Examine source code of Blastarena IO Game Basic

{
  "manifest_version": 2,
  "name": "Blastarena IO Game Basic",
  "version": "1.0",
  "description": "Blast Arena IO Game is a simple shooting game utility by moving and pressing space to shoot falling targets.",
  "permissions": [],
  "browser_action": {
    "default_popup": "index.html",
    "default_icon": {
      "128": "images/are-logo.png"
    }
  },
  "icons": {
    "128": "images/are-logo.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2315db4d-7f5a-4d5c-913a-0be308148440}"
    }
  }
}