Examine source code of Pongame Profe

{
  "theme": {
    "images": {
      "theme_frame": "profe_1.jpg"
    },
    "colors": {
      "frame": "#4d4b4b",
      "tab_background_text": "#197d20"
    }
  },
  "version": "2.0",
  "name": "Pongame Profe",
  "manifest_version": 2,
  "description": "Pongame Profe"
}