Examine source code of American Flag 2

{
  "theme": {
    "images": {
      "theme_frame": "AmercanFlag2.jpg"
    },
    "colors": {
      "frame": "#45f3ff",
      "tab_background_text": "#45f3ff"
    }
  },
  "version": "2.0",
  "name": "American Flag 2",
  "manifest_version": 2,
  "description": "Hope you like this one !"
}