Examine source code of Cat Kittycat Rockband

{
  "theme": {
    "images": {
      "theme_frame": "kittycat_rockband_k.jpg"
    },
    "colors": {
      "frame": "#1df70a",
      "tab_background_text": "#f2da03"
    }
  },
  "version": "2.0",
  "name": "Cat Kittycat Rockband",
  "manifest_version": 2,
  "description": "Die Katze Kittycat macht Musik in einer Rockband/Cat Kittycat making music in a band"
}