Originally Posted by F2
Both these posts are correct, which effectively means you can't. Since 2.1 it's not possible to get access to a BAR installed on your PB, so you can't. But if you had the BAR (and I think there are still ways to get your hands on it if you know what you're doing...), then as Innovatology said, looking at those XML files should give some good hints.
Originally Posted by Innovatology
EDIT: Just confirmed (by doing it) that it IS still possible to get your hands on the BAR if you know what you're doing (and by that I don't mean googling and downloading some pirated version). I won't post any more details here, as it would probably just be abused by someone wanting to grab BARs of paid apps and posting them online.
Is there a particular app you are curious about? (If so, and it's free or I have the app already, I could perhaps check it for you)