Don't know why it changed the case above and broke the link
https://github.com/odudex/krux/blob/android/android/README.md
Releasing Android Krux App source code and instructions to build APK within a fresh Ubuntu environment.
Run it on an old phone, test and play with the code even without having a dedicated hardware.
https://github.com/odudex/krux/blob/android/android/README.md
Discussion
Probably something with amethyst.... "README" is upper case