Examine source code of Hearts & Flowers

{
  "theme": {
    "images": {
      "theme_frame": "HFHeader.jpg"
    },
    "colors": {
      "frame": "#0037ff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Hearts & Flowers",
  "manifest_version": 2,
  "description": "An abstract persona. The floral part is within' the music notes."
}