WARNING: Only works on their browser, their email app

I thought it would be a general purpose keyboard replacement for any app: i.e. use your iPad as a keyboard for your iPhone (or something), but it doesnt do that. It also appears to only be one-way, the browser starts on the iPad, and the keyboard starts on the iPhone. *boggle*

Developers; Improve your description! Your lack of information is borders on misleading.

michael-in-beijing about External Keyboard