Examine source code of SHUFFLE_EssencePlus

{
  "theme": {
    "images": {
      "theme_frame": "shuffle_10_chars_header.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "SHUFFLE_EssencePlus",
  "manifest_version": 2,
  "description": "SHUFFLE! Essence+ self customized CG. i took the idea on its Op cinematic. but, i cant get any source for it; so, i have no option but create it. 1 of my most satisfied personas. Keywords: anime, manga, Navel, SHUFFLE, Essence"
}