Examine source code of School Doodles

{
  "theme": {
    "images": {
      "theme_frame": "SketchHEADER.png"
    },
    "colors": {
      "frame": "#5ecfd9",
      "tab_background_text": "#ff1919"
    }
  },
  "version": "2.0",
  "name": "School Doodles",
  "manifest_version": 2,
  "description": "Simple Doodles for Simple and Artistic people!"
}