Examine source code of Pokemon trainer

{
  "theme": {
    "images": {
      "theme_frame": "pokemontrainer.png"
    },
    "colors": {
      "frame": "#404040",
      "tab_background_text": "#404040"
    }
  },
  "version": "2.0",
  "name": "Pokemon trainer",
  "manifest_version": 2,
  "description": "Pokemon trainer of Pkm Y/R/B/V, FR/LG, G/S/C, R/S/E, D/P/Pt, SS/HG."
}