Routing Android Device Through a Laptop Using Bluetooth PAN and Tailscale

A Practical Walkthrough of a Surprisingly Hard Problem For a task that sounded trivial at first, this experiment turned into a surprisingly deep dive into Android networking limitations, routing constraints, VPN behavior, and how Bluetooth Personal Area Networking (PAN) actually works under the hood. My goal sounded simple: Connect an Android phone to my Linux laptop over Bluetooth PAN and route…