So I logged a bug on bugzilla (https://bugs.maemo.org/show_bug.cgi?id=2423) for dpad configuration for microB asking for a config panel so I can specify like in opera (/home/user/input.ini) to set whether I can page up and down instead of scrolling when I click up and down and this is the response I got:

SO...seeing how I know next to nothing about writing Mozilla extensions, anyone wanna implement a user friendly extension and not a command-line hack?