Bump

Bump is an app that permits sharing photos, contacts, info or apps just my bumping two phones together

That easy. Open the app and select the file you want to share. Bump your phone together with another with the app installed and open, and you will share those files. And after you bump, keep sending messages any time, anywhere, complete with instant notifications. Free instant messenger among bumpers!
The greatest point of this app is that is multiplatform (working on Android, iPhone, iPad and iPod). So you will be able to share files with those of your friends who owns a iOS device. It works over WiFi and 3G.
The app works, but its performance could be improved, since sometimes cannot send the file or doesn't recognize the other device.

Bump has been developed by Bump Technologies, Inc. an app developer who has just launched this app on the market. After reaching a remarkably success with iOS, Bump landed on Android Market with same expectations.
This is one of those curious apps to make your friends freak out. But it's far from being the best way to share files

The most of the instant messaging apps or even social networks apps includes sharing files options, and they do it pretty well. This is just another way, impressive but not as efficient as it should be.