Dear Zeta,
I would like to suggest that in portrait mode, you put the shift and
alt keys under one of the three buttons when you longpress them (left
= caps, right = symbols). I know that currently there is no way to
freeze caps or symbols, but there isnt one in the default keyboard
either (not for symbols at least). If you do want to do a freeze
option, I would suggest that you place the dot (.) in the symbols lay-
out a the same place it is in the regular letter layout, BUT that in
caps or symbols mode, it doesn't function as a dot, but as a lock-
layout option (lock caps or lock shift). That placing is pretty
similar to the default keyboard (both virtual and physical) AND you
can still maintain the nice three button layout (at least in
portrait).
In landscape I would try something different and keep delete and
space, because swiping across the entire screen isnt very convenient.
Actually, it would be most convenient if there were four buttons in
stacks of two with the text being in the middle (, but that would be
very creative and unlikely).
I hope you can find some useful advice in the portrait mode
suggestions.
Kind regards,
Roy
P.S. If you would have longpress on the left key be shift and right
being alt, then you could do something with the middle key (I would
suggest smilies ;) ).