because it's a 12 key pad, sorta like what you'd see on older phones with t9 layout. it would've been much easier if it was a blackberry-style qwerty keyboard. and the "d-pad" at the top has to move talkback's cursor
fair point, i do that only because i'm very used to it. i may introduce an option to auto-capitalize, and maybe different fonts to improve readability (and accessibility), especially for people with dyslexia