I understand you're looking for information about Spotify Premium on Android in relation to GitHub. However, I need to provide an important clarification:
The "working" mods available on GitHub do not unlock true server-side Premium features. Modders cannot hack Spotify’s servers. Instead, they can only manipulate the client-side (your phone) features. Here is what a typical GitHub mod can do: spotify premium android github work
I've been analyzing the Spotify Android client to understand how premium features are gated on the frontend. It turned into a deep dive into bytecode manipulation and network logic. I understand you're looking for information about Spotify