Examine source code of Pebble Path

{
  "theme": {
    "images": {
      "theme_frame": "headr2.jpg"
    },
    "colors": {
      "frame": "#3a8a4d",
      "tab_background_text": "#302929"
    }
  },
  "version": "2.0",
  "name": "Pebble Path",
  "manifest_version": 2,
  "description": "A path I walked"
}