Meal Snap

Want to count the calories for the foods you eat but find it too hard to do? With this app you simply snap a picture of your meal and let it do the work.

I figures out what you're eating and the portion size based on the photo and estimates the calorie total.

Meal Snap for iPhone -- $2.99

iBlackout

If you sometimes go out with the guys and have a little, no quite a lot to drink then this app may be what you need.

Activate it at the beginning of your big night out and it tracks where you've been and who you've called/texted from your phone.

It won't save you from the stupid things you do but it will help you remember them when you just can't remember what you did.

iBlackout for BlackBerry -- $2.99

DrunkBlocker

Ever hear the sad story from one of your friends how they had too much to drink and then called the boss? 

Make sure you don't duplicate the stupidity by setting this app to prevent you from calling people you shouldn't when out on a bender.

DrunkBlocker for Android -- Free

BIC Concert Lighter

Relive the concerts of your youth with this app. It is a virtual BIC lighter that when activated at the appropriate time turns the venue into a smoking hot concert.

The warning from BIC to keep the app from the hands of minors is a little too much, but the app does this one thing very well.

BIC Concert Lighter for iPhone -- Free

BIC Concert Lighter for Android -- Free

Fake Me Out of Here

Ever been trapped by someone you really didn't want to talk to? They go on and on and there is no escape.

Smartphone to the rescue with this app, that will give you a fake phone call by simply shaking the phone. Just shake and excuse yourself to take the important "call".

Fake Me Out of Here for Android -- $0.99

Augmented Driving

Accident avoidance systems are all the rage in spanking new automobiles. This app brings it to your old beater, using just the phone.

It uses the phone's camera for augmented reality, tracking cars in front of you and telling you to slow down when appropriate.

Augmented Driving for iPhone -- $2.99

Metal Detector

Want to save money for the next smartphone upgrade? This app will do its part by turning your phone with a compass into a metal detector.

It uses the magnets in the compass to troll for loose change underground along with anything else made of metal.

Metal Detector for Android -- Free

Spark

This app uses the smartphone touchscreen and haptic feedback to deliver a pyrotechnic effect complete with "shock" to an unsuspecting victim touching the phone screen.

That's all it does. Kind of a joy buzzer for modern times.

Spark for Android -- Free

Blower

This app does only one thing, it uses the iPhone speaker to blow a light puff of air. That's right, it can even blow out a candle using the smartphone.

It's apparently for those unable to blow candles out without assistance, or those who like to annoy their pets.

Blower for iPhone -- $0.99