I actually think now that I've gone through the process, memory scanning and writing will be enough... Except, they probably have different control codes that I'd need to reverse engineer.
You should be able to run Cheat Engine on your emul*tor of choice to tweak New Leaf "and newer" titles.
And if you're a stickler for pissing Nintendo off in very specific ways, LayeredFS + Atmosphere opens up some modding opportunities right on the console itself. Not sure how easy it would be to pull something like this off though...
I think my 'old man shakes fist at clouds' thing is this. The social media platforms that censor you do it to make your content easier to sell ads against. It's actual corporate badthink correction that is rebuilding the English language. STOP VOLUNTARILY DOING IT WHEN YOU DONT HAVE TO. You should not sacrifice your free thought on the altar of quarterly results. Say the whole fucking word.
I doubt a star will make Nintendo lawyers go "ow nose, they didn't spell out emulator in full, we can't attack them! Damn those star armors!". I don't think it changes anything technically.
The only thing this kind of censoring does is countering basic censor bots I think, and somehow making swear words publishable in the US.
Low-level emulators can be legally identical to a virtual machine, but often isn't. Most modern consoles can't be emulated that way, and most require you to dump a bootrom from your own console hardware, alongside game keys and other dubious digital paraphernalia.
And if you're a stickler for pissing Nintendo off in very specific ways, LayeredFS + Atmosphere opens up some modding opportunities right on the console itself. Not sure how easy it would be to pull something like this off though...