Examine source code of nikon one

{
  "theme": {
    "images": {
      "theme_frame": "Persona_Header_LABScopycopy.jpg"
    },
    "colors": {
      "frame": "#ffea00",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "nikon one",
  "manifest_version": 2,
  "description": "my first attempt of a NIKON Persona"
}