appcelerator/titanium_mobile_blackberry — pull request #75 by pec1985 (2013-06-04 22:29:42+00:00)
Title: [TIMOB-13971] Changed dip value from 96 to 160

This is the only place in the documentation that mentions DPI, and it is set to 160, look for "This setting scales the webpage to 160 dpi,"

http://developer.blackberry.com/cascades/documentation/ui/webview/javascript.html