Nintendo has been aggressively shutting down emulators (Yuzu paid $2.4 million in settlement). However, Ryujinx remains operational, and repackers have adapted:
A: No. Android emulation (Strato) cannot handle ACNH smoothly. PC only. animal crossing new horizons repack verified
The repack will place a shortcut for (preferred for ACNH due to better stability). Do not use the bare Yuzu build unless you enjoy crashes. Nintendo has been aggressively shutting down emulators (Yuzu