Examine source code of Tender Spring Rain

{
  "theme": {
    "images": {
      "theme_frame": "Spring-rain_01.jpg"
    },
    "colors": {
      "frame": "#5297a8",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Tender Spring Rain",
  "manifest_version": 2,
  "description": "景色を映す滑らかな水面に、優しい春の雨が波紋を描く。\n心がほぐれて広がって、優しい想いに満たされる。"
}