Sencha Touch introduced a BlackBerry 10 theme in their previous release of v2.1.1 of their JavaScript framework. Now with Sencha Touch v2.2 they have added significant enhancements along with Webkit rendering optimization and performance improvements. This includes bringing list scrolling performance to 35-40 frames per second which is nice and fluid along with touch responsiveness tuned for BlackBerry 10 and its screen transitions.
Check out the details and video of the improvements on the BlackBerry DevBlog. You can check out Sencha Touch v2.2 here along with their porting guide and a developer video.
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