despite the limitations, writing notes on here is surprisingly fun. i completely understand why they removed sending notes over spotpass.
if you have netpass, you can get notes from anyone. it's kinda fun, although occasionally you may get some weird stuff or just spam

Never knew Nikki was just a tutorial character and I assumed it was a real persona who messaged me.

Don’t know how I didn’t know that, it was quite obvious it wasn’t a real person, but guess I was just stupid.