Examine source code of Robot Unicorn Attack

{
  "theme": {
    "images": {
      "theme_frame": "RUAP.png"
    },
    "colors": {
      "frame": "#412a4a",
      "tab_background_text": "#404728"
    }
  },
  "version": "2.0",
  "name": "Robot Unicorn Attack",
  "manifest_version": 2,
  "description": "The most epic flash game out there! The song \"Always\" by Erasure has to be played in the background for the full effect."
}