Examine source code of Duke Nukem Evolution

{
  "theme": {
    "images": {
      "theme_frame": "dnfheader.jpg"
    },
    "colors": {
      "frame": "#b5b5b5",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Duke Nukem Evolution",
  "manifest_version": 2,
  "description": "A Persona made to celebrate the upcoming of Duke Nukem Forever in 2011."
}