Examine source code of Doraemon orange

{
  "theme": {
    "images": {
      "theme_frame": "doraemon.jpg"
    },
    "colors": {
      "frame": "#fcecb3",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Doraemon orange",
  "manifest_version": 2,
  "description": "doraemon japan, japanese, anime, manga, Fujiko F. Fujio , ドラえもん, robotic cat, yellow, orange."
}