In this week's app roundup: leafs, identified; music, voice recognized; Jackass, documented; keyboards, personalized; BBC News, Androidified; Amazon free apps, notified; food, stylized; and much, much more. [Gizmodo]

Artist Jorge Colombo draws street scenes in New York using only his finger and the iPhone "Brushes" app. You might have seen his work on the cover of the New Yorker last year. In honor of his upcoming book of images of the Big Apple, here are some of his coolest cityscapes. We only wish our fingers could be so nimble.

lot of people can get through life without having to stray far from 12 point Times New Roman. Maybe 13 if they're cheating on a paper. But typography is fascinating—and this app's great for pros and novices.

How do you, party attendee, separate the important people who deserve your attention from the little people, who do not? You could always scan name tags. But to be a pro suck up, whip out your iPhone and open Sonar.

Have you heard about this "Color" phone app? It's the hot new location-based photo-sharing social network thing that everyone's talking about but nobody really understands. Well, I've figured it out: It's the best way to stalk strangers who are richer, better-looking, and having more fun than you in real-time.

In light of our current nuclear panic, the frenzy over cell phone radiation seems like a quaint relic of an innocent past. But it's still an issue, and software company Tawkon has been trying to release an app that measures your iPhone's radiation levels for months. After failing to get approval in Apple's App Store, Tawkon's CEO Gil Friedlander sent Steve Jobs an email at his sjobs@apple.com address asking for his blessing.

Here are two things you could do with your iPhone last week that you might not be able to next week: learn about how to fake-"cure" yourself from being gay, and avoid DUI checkpoints. It's outrage time in the App store!

We're all constantly evolving. Watch your own process with the help of the Everyday App. Set reminders, snap a daily photo and watch the progression. Should you need any more convincing, watch this creative video.

Ayden is two-years-old; therefore, he should care about nothing but candy and pooping, right? Nope! Because Ayden's addicted to Angry Birds, and not even a bribe of candy can make him loosen his grip of his dad's phone. Watch inside.

The app analyzes the shape and color of what's on your plate, then queries a database of 100,000 different foods to derive a calorie count.

The Bed Intruder whistle-blower and fameball became the spokesperson for the app that will let you locate sex offenders in real life. Using something called augmented reality technology, you won't have to hide your kids or your wife anymore.

According to a new report in The Wall Street Journal, nearly all of the most popular apps on Facebook—including Farmville, Causes, and Quiz Planet—have been sharing users' information with advertising and tracking companies. Here's how to stop them.

The Rescue 911 App that SNL imagined does everything other than get help. It automatically orders Pizza Hut, tickets to Rescue Dogs 3D, and emails all of your phone contacts invitations to join you at the movies before helping.

Jersey Shore's resident moneymaker, The Situation, put his iPhone app on the virtual shelves of the Apple App Store today. Just what can you expect from the king of GLT for $5 of your hard-earned money?

A site that collects and maps roadkill using volunteers with cameras, the California Roadkill Observation System, is hoping to raise awareness of the number of animals killed on America's roads every year. They're hoping to create a smartphone app, too.

Whereas many corporate apps suffer from over-branding and useless functions, this one would actually help me not injure myself and others. Watch the clip and see how it works. Now Android users can be on Oprah's good side.

If you happen to be someone who owns both a Windows PC and an iPad, and also happen to want a second monitor, you're in luck: this Maxivista app makes it easy to expand your display. Inside, a demonstration video.

Kim Kardashian's iPhone app costs $1.99 and allows you to interact with a pocket-sized Kim who blows kisses and "strikes her signature poses." She even fought with her app programmers to get "the biggest butt of all the options."

Today in totally benign apps Apple thinks it needs to protect us from: German electro-punk band Atari Teenage Riot has developed an app which plays crazy sounds. The German iTunes store has delayed its release because it might cause "hysteria."

Kudos to PETA's PR team, which has managed to combine its usual "naked celebrity" news peg with an additional "too hot for Apple!" news peg, thereby capitalizing on the internet's top two obsessions, porn and iPhones. Well done.