It's not an external keyboard or anything like that. Instead, it's just a thin sheet of plastic -- you know, like a screen protector -- that just so happens to have holes right where the on-screen keyboard is. Each of these holes lines up with a letter on the virtual keyboard, giving you some physical separation between the keys. Because it's just a thin sheet of plastic, you are still able to do the usual swiping and resizing when the keyboard isn't there.
It only costs $7.99 and could prove to be pretty useful for avid tex