Examine source code of MATJ--Andromeda

{
  "theme": {
    "images": {
      "theme_frame": "SA_Andromeda_header.jpg"
    },
    "colors": {
      "frame": "#2517e8",
      "tab_background_text": "#1ea5e8"
    }
  },
  "version": "2.0",
  "name": "MATJ--Andromeda",
  "manifest_version": 2,
  "description": "From the Kamishibai series \"Magical Avengers The Jam\""
}