We haven’t written anything about BlackBerry applications but they do exist:

RIM application store has less than 5% as many as Apple’s App Store for the iPhone and iPod Touch (around 65,000 apps).

If you are looking for the best BlackBerry applications for this summer, I recommend you this excelent slideshow:

http://www.cio.com/article/497717/_Best_BlackBerry_iPhone_Apps_for_Summer_Travel?page=2#slideshow