Examine source code of Kingdom2Hearts

{
  "theme": {
    "images": {
      "theme_frame": "kingdom_hearts_3_wallpaper"
    },
    "colors": {
      "frame": "#d12727",
      "tab_background_text": "#f2d9d9"
    }
  },
  "version": "2.0",
  "name": "Kingdom2Hearts",
  "manifest_version": 2,
  "description": "Kingdom hearts"
}