Turns an old Android phone (Galaxy Ace 4, Android 4.4.4) into a legacy AirPlay (RAOP) speaker over its headphone jack — no app needed on the iPhone, it just shows up in the native AirPlay picker.
android kotlin raop airplay mdns android-kitkat jmdns legacy-hacker-experience legacy-hardware homebrew-audio
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Updated
Aug 14, 2026 - Kotlin