Here is the list of useful applications for iPhone, iPad and iPod that can be installed from Apple App store.
Apple IOS 4.3 beta version is released to the developers. The beta is mainly for IOS devices and 2nd generation Apple TV. It mainly supporting the following devices iPad, iPhone 4 and 3GS, iPod touch 3rd and 4th generation. It features Multi-touch gestures, Finger gestures, Pinch to home screen, Swiping up to bring multitasking tray, Swiping left/right to switch Apps, Personal hotspot and many more.