Emulation sits in a distinct legal zone. The Citra emulator itself is entirely legal, as it was built from scratch without using Nintendo’s proprietary code.
Now for the moment you've been waiting for. Since the official source is gone, you'll need to find a safe and reliable APK. citra 15 apk link
often provides better performance on mid-range Android devices. You can find the latest releases on the official weihuoya GitHub Third-Party Repositories: Sites like still host legacy versions, including Emulation sits in a distinct legal zone