Examine source code of Untrodden land.01

{
  "theme": {
    "images": {
      "theme_frame": "a1227--tairyuu4455667788-ue.jpg"
    },
    "colors": {
      "frame": "#a3cff0",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "Untrodden land.01",
  "manifest_version": 2,
  "description": "未踏の大地。"
}