Is there a site that reviews and compares fart applications so I make a rational purchase decision? It's clearly a field with a lot of research and advanced engineering, which makes sense, since there are so many people competing in the market. I don't want to jump on last year's train and look like an idiot to all my friends with the newest and greatest fart technology.

I know that the iPhone has more fart apps, but that doesn't necessarily mean they are better. Should I get an iPhone since there seems to be more fart research on that platform, or is either WebOS or Android a better environment for fart researchers?

I guess what I'm asking is: what is the killer fart app?