Jail breaking is for iphone,ipad,ipod touch and other apples’s gadgets.

By jail breaking you are able to add additional applications to your idevice. It allows you to do so by adding an application called Cydia to your iDevice. It also allows changing of your iDevice application icons, wallpaper, dock, status bar, chat bubbles, keyboard….etc

  • Why jail-breaking in an iphone,ipod touch?

There is some ways to do jail-break in iphone and ipod touch.But first question in your mind before going to jail-braking is that Why should i do that? Answer is that :when you run any program on your apple ,so some time apple doesn’t allow you to work on that.so that time via jail-breaking you can run and customized your application via jail-breaking.best example for that is CYDIA

About Cydia:-

A stock devices comes with many applications from Apple like: Messages, Calendar, Photos, Camera, YouTube, Stocks, Maps, Weather, Clock, Calculator, Notes, Settings, iTunes, App Store, Phone, Mail, Safari, Voice Recorder, Compass and iPod.

which  is similar to the App Store in that it will allow you to add many more applications such as: games, networking applications, productivity applications…etc