Examine source code of Lucy the cat

{
  "theme": {
    "images": {
      "theme_frame": "lucy_piano-2.png"
    },
    "colors": {
      "frame": "#b8b6b6",
      "tab_background_text": "#fcf9f9"
    }
  },
  "version": "2.0",
  "name": "Lucy the cat",
  "manifest_version": 2,
  "description": "Lucy the cat."
}