Examine source code of Tile change.02

{
  "theme": {
    "images": {
      "theme_frame": "b1227--blue-tiles-henka.jpg"
    },
    "colors": {
      "frame": "#efd2f5",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "Tile change.02",
  "manifest_version": 2,
  "description": "変化するタイル・・02\n\n\n\n\nb1227--blue-tiles-henka●"
}