Examine source code of Orienteering

{
  "theme": {
    "images": {
      "theme_frame": "Header1.png"
    },
    "colors": {
      "frame": "#bf0707",
      "tab_background_text": "#02346e"
    }
  },
  "version": "2.0",
  "name": "Orienteering",
  "manifest_version": 2,
  "description": "Orienteering maps and courses"
}