Examine source code of Seeds has flowed.

{
  "theme": {
    "images": {
      "theme_frame": "w808-i--shusi-tabisuru-w.jpg"
    },
    "colors": {
      "frame": "#e5e1e6",
      "tab_background_text": "#f7f7f7"
    }
  },
  "version": "2.0",
  "name": "Seeds has flowed.",
  "manifest_version": 2,
  "description": "。・。・種子が流れています。・。・"
}