Examine source code of The Nutcracker Ballet

{
  "theme": {
    "images": {
      "theme_frame": "NCH.jpg"
    },
    "colors": {
      "frame": "#7791f2",
      "tab_background_text": "#6282f5"
    }
  },
  "version": "2.0",
  "name": "The Nutcracker Ballet",
  "manifest_version": 2,
  "description": "Christmas Holiday"
}