Examine source code of HeishiKage

{
  "theme": {
    "images": {
      "theme_frame": "HEISHIHEADER.jpg"
    },
    "colors": {
      "frame": "#b0b0b0",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "HeishiKage",
  "manifest_version": 2,
  "description": "Heishi Kage, Ninja Saga Clan on Facebook"
}