Examine source code of Sonic Cast Forever

{
  "theme": {
    "images": {
      "theme_frame": "soniccastag.jpg"
    },
    "colors": {
      "frame": "#aef9fc",
      "tab_background_text": "#d4f5f7"
    }
  },
  "version": "2.0",
  "name": "Sonic Cast Forever",
  "manifest_version": 2,
  "description": "This is a persona I put together with sonic characters\n\nSonic © belongs to SEGA/Sonic Team ©"
}