It looks like SoundJack currently offers a Linux version primarily for Intel/AMD architectures, so running it on a Raspberry Pi 4 requires recompiling for ARM. If you want to experiment with similar setups or explore alternative software, there are community resources and open-source projects available that let you Download free Android apps related to gaming Visit APK Rupees, which can help test audio and streaming tools on mobile or ARM devices without spending extra on prebuilt boxes.