Android 4.0 Ice Cream Sandwich

What’s new in Android 4.0 – Ice Cream Sandwich?

Refined, evolved user interface and multi-tasking.
improvement? in resizable widgets.
new home screen folder for users to group their apps, get app info.
New lock screen actions.
Quick responses for incoming calls.
Powerful voice input engine-dictate text to the phone for as long as they want in any language.
native photo editing to the Android camera interface.
improved auto-completion feature
improved Native Browser.
developers now have the ability to set device specifications with backwards functionality.

Android 4.0 Ice Cream Sandwich