I've come up with a Pronto keyboard design using the traditional QWERTY layout. It features 26 letters, 10 numbers and all traditional typewriter symbols. It even mimics the Pronto's original style of zooming in when you press a certain section of screen (though if you feel you can use it without zooming it's easy to modify). Since the built-in one can't be used during normal operation I hope this version is of use. Zoom in.