Use OBS Studio OR droidcam-cli to use Android as a camera on linux.

Best solution to use Android as Camera and Microphone

PipeWire is replacement for both PulseAudio and JACK. PipeWire was designed with a powerful security model that makes interacting with audio and video devices from containerized applications easy, with supporting Flatpak applications being the primary goal. Alongside Wayland and Flatpak we expect PipeWire to provide a core building block for the future of Linux application development. Tumbleweed started using PipeWire in August 2021.