Examine source code of Tokikake nk

{
  "theme": {
    "images": {
      "theme_frame": "tokikakehd.jpg"
    },
    "colors": {
      "frame": "#145e8c",
      "tab_background_text": "#056d99"
    }
  },
  "version": "2.0",
  "name": "Tokikake nk",
  "manifest_version": 2,
  "description": "toki wo kakeru shoujo   the girl who leapt through time"
}