Examine source code of Project Shrine Maiden

{
  "theme": {
    "images": {
      "theme_frame": "Touhouworld.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#240f30"
    }
  },
  "version": "2.0",
  "name": "Project Shrine Maiden",
  "manifest_version": 2,
  "description": "Touhou Project, Hakurei, Marisa, Remilia, Flandre, Sakuya, Patchouli, Meiling, Koakuma, Eirin, Kaguya, Mokuo, Iku nagae, Hinanai, Ibuki, Hieda no akyu, Sanae, Kanako, Aya, Momiji, Luna child, Star sapphire, Sunny milk, Cirno, Suwako, Nitori, Satori"
}