I have a Canvas (MIDP) in my application with up/down arrow keys defined for it. It scrolls through the list with up/down keys on other (3650) phones.
But, those key events are not captured for some reason. I have also defined '#' key event to reach the bottom of the list and that key event is captured. Only up/down arrow keys are not captured.
However, it may sound weird. The up/down keys work normally on a Form (MIDP).