Examine source code of World Mapz

{
  "theme": {
    "images": {
      "theme_frame": "China.Header.image.png"
    },
    "colors": {
      "frame": "#d6bfbf",
      "tab_background_text": "#b8a7a7"
    }
  },
  "version": "2.0",
  "name": "World Mapz",
  "manifest_version": 2,
  "description": "A colorful representative map."
}