03-27-2014 01:58 PM
I'm not aware of any existing UI frameworks that provides the BlackBerry 10 look & feel for BBOS.
I know that with bbUI.js, you can force a BB10 UI on PlayBook (see https://github.com/blackberry/bbUI.js/wiki/Toolkit
You could create your own action bar using fixed-positioning CSS, and create your own buttons. See my toolbars sample page for a demo: