Some people set it up so that 'jj' (while in insert mode) is equivalent to ESC (or perhaps it was Ctrl-c, I forget). Either way, that would make vim usable with

Some people set it up so that 'jj' (while in insert mode) is equivalent to ESC (or perhaps it was Ctrl-c, I forget). Either way, that would make vim usable with an iOS device's keyboard.