I've always wondered about the usability of a chording keyboard with a smart phone's edge (or an xPad) and four areas under the fingers.
(Four buttons is quite few combinations. You probably need the thumb too, with two-three alternative buttons for it.)
It would be easy to have a learning mode which give feedback about possible combinations, since it is on a screen.
My only (hobby) programming for mobile has been on iOS, where the system keyboard isn't easily replaced. There seems to be things like this in the Android store? Anyone know why this didn't work well enough to be popular?
(Four buttons is quite few combinations. You probably need the thumb too, with two-three alternative buttons for it.)
It would be easy to have a learning mode which give feedback about possible combinations, since it is on a screen.
My only (hobby) programming for mobile has been on iOS, where the system keyboard isn't easily replaced. There seems to be things like this in the Android store? Anyone know why this didn't work well enough to be popular?