If you have the Nintendo online app you can type on your phone.
I suck at typing on my phone even, so I've considered setting up an andriod emulator on my pc just to type in animal crossing, lol.
haven't actually done it yet though. android emulators are super laggy.
I don't own one, xDWhy not just use a USB keyboard? No need to bother with emulators. Also, a remote desktop tool would work better than an emulator too. Going back to the USB keyboard, if you don't want to plug one into your Switch for some reason, they also plug into Androids, and bluetooth keyboards work too.