Examine source code of Sonic Robo Blast 2

{
  "theme": {
    "images": {
      "theme_frame": "SRB2persona7.png"
    },
    "colors": {
      "frame": "#021cc4",
      "tab_background_text": "#e2cae8"
    }
  },
  "version": "2.0",
  "name": "Sonic Robo Blast 2",
  "manifest_version": 2,
  "description": "Persona for fans of the SRB2 3-D Sonic game.\nI did not draw any of the drawings myself, and those are credit to their original owners"
}