Examine source code of saw7_jigsaw

{
  "theme": {
    "images": {
      "theme_frame": "saw7_header111.jpg"
    },
    "colors": {
      "frame": "#ed2d2d",
      "tab_background_text": "#d61a1a"
    }
  },
  "version": "2.0",
  "name": "saw7_jigsaw",
  "manifest_version": 2,
  "description": "saw_3d"
}