This is a plugin for Muzei live wallpaper which is available
here:
https://play.google.com/store/apps/details?id=net.nurik.roman.muzei
This is open source free software with source code available here:
https://gitlab.com/ga83/citiesmuzei
https://play.google.com/store/apps/details?id=net.nurik.roman.muzei
This is open source free software with source code available here:
https://gitlab.com/ga83/citiesmuzei