Better than the Printed Page
... PadKeys is also easier to use because its layout more closely approximates a conventional keyboard. It even includes left-right cursor-control keys plus buttons for undo, redo, and paste.
Like Apple’s keyboard, PadKeys lets you type alternate characters by flicking your finger, but PadKeys has you flick your finger upward rather than downward — toward the character you want, not away from it. This feels more natural. You can also drag your finger from key to key if you prefer ...