A fork of Opsu using libgdx to fake slicks API. APK releases can be found here.
You will then need the files at https://github.com/fluddokt/FKGdxOpsuLaunchers
You will then need to place the files here in the directory core from the launcher files. You will also need to copy core/res into android/assets/res
https://github.com/libgdx/libgdx/wiki/Deploying-your-application
This software is licensed under GNU GPL version 3. You can find the full text of the license here.