Examine source code of Full Throttle

{
  "theme": {
    "images": {
      "theme_frame": "FullthrottlePersona.png"
    },
    "colors": {
      "frame": "#f7f4f4",
      "tab_background_text": "#bf7907"
    }
  },
  "version": "2.0",
  "name": "Full Throttle",
  "manifest_version": 2,
  "description": "Full Throttle, one of the best adventure games on the PC!"
}