Examine source code of MEGAINGENIEROS

{
  "theme": {
    "images": {
      "theme_frame": "3.jpg"
    },
    "colors": {
      "frame": "#3139cc",
      "tab_background_text": "#4e49eb"
    }
  },
  "version": "2.0",
  "name": "MEGAINGENIEROS",
  "manifest_version": 2,
  "description": "MEGAINGENIEROS"
}