Examine source code of stitch addicted 2

{
  "theme": {
    "images": {
      "theme_frame": "stitch-1.jpg"
    },
    "colors": {
      "frame": "#f70d0d",
      "tab_background_text": "#0865fa"
    }
  },
  "version": "2.0",
  "name": "stitch addicted 2",
  "manifest_version": 2,
  "description": "love stitch"
}