Examine source code of clank&the great clock

{
  "theme": {
    "images": {
      "theme_frame": "header2.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "clank&the great clock",
  "manifest_version": 2,
  "description": "Clank and the Great Clock from ratchet&clank future2 (also know as \"a crack in time\")"
}