lol, lmao
for those interested and have :freeze-gamer: emulation rigs: it runs on Ryujinx with some v-sync related issues.
For those concerned about spoilers, probably ought to stay off of YouTube before those boss fight compilation people drop their videos over the next few days.
That was like 3-4 days ago and the person who posted it just showed an icon on their homescreen, which is super-easy to fake if you have a hacked Switch. And also said their friend had access to an actual cart, not just the ROM, I believe, which is way less believable.