The downcheck for my old eyes was the tiny font.
https://66.media.tumblr.com/tumblr_m5ff7iGSyf1r4zoaco1_500.g...
You can fit 5 fairly large-font lines or 4 huge-font lines with the phone sideways (for the big keyboard).
I like hackin' on it with a bluetooth keyboard so the whole phone display is my terminal -- if I could just find my ideal folding keyboard, or perhaps one of those recent sliding-keyboard revival phones
I tried
SPC z x
in Spacemacs and got nowhere.
This was some years ago.