You don't need raw source code anymore. Platforms like , Bubble (with webviews), and Adalo allow you to build functional Android apps visually. You export the code (or host with them). This is legitimate, fast, and cheap.
His server bill inexplicably jumped from $200/month to $4,000/month. His server was hosting illegal child exploitation material uploaded via a file upload backdoor in the nulled code. The FBI traced the IP to his Linode account. He was arrested for crimes he didn't commit (he was eventually cleared, but his life was ruined).
Android is not a static platform. Google releases a new API level every year. Security patches are released monthly. Devices change screen sizes, biometrics, and permissions constantly.
If you are looking to develop a feature or "null" a source code yourself, the process generally involves the following steps: 1. Project Setup