App suggest for BlackBerry here?

Sure, there’s tons of varies applications to purchase or grab for free to install onto the BlackBerry. Which at this point is what confuses me a little bit is because I don’t know which one should I get. I would like to get what is necessary for my BlackBerry. If you have any ideas what I should for my BlackBerry Tour then please leave a comment below and let me know the name of Application and what the application do. And why do you recommend me it. This post of the blog is a question for you all guys. I appreciate for all the assistance and the advices you can give by leaving a comment below this post of the blog!