Examine source code of killer 6

{
  "theme": {
    "images": {
      "theme_frame": "BlendingChangecopy.jpg"
    },
    "colors": {
      "frame": "#8c8777",
      "tab_background_text": "#998c73"
    }
  },
  "version": "2.0",
  "name": "killer 6",
  "manifest_version": 2,
  "description": "anime , killer"
}