For that, something as simple as this applied to the application manager source would work:
http://pastebin.com/d6cae4caa

I don't have a tablet available atm so I can't test it out. Although I can try it out in the scratchbox...

Oops, read the code wrongly. Removing those two lines would work better.

Fixed patch:
http://pastebin.com/m35af5bd1

This one actually works to show dependencies in blue pill.