There are plenty of options for people who prefer to get stuff done on their mobile devices using an external keyboard. While I do have a bluetooth keyboard for my iPad, I rarely use one for my iPhone. It’s not very convenient to carry a keyboard with your smartphone, and it’s not that difficult to become a fast thumb-typer on one anyhow. However, if you have problems or want to do more writing, then check out this mobile roll-up keyboard.
Read more @ Technabob