Android has had multi-threading for as long as I can remember. In fact, Binder RPC, that runs in every app process, itself is multi-threaded. What's special in

Android has had multi-threading for as long as I can remember. In fact, Binder RPC, that runs in every app process, itself is multi-threaded. What's special in Android is multi-process. All (Kotlin/Java) apps fork from the same base runtime image, regions of which are CoW'd when mutated.