If you are newbie to Android 4.0 known as Ice Cream Sandwich (ICS) then you really need this video about tips on android 4.0.
Video Presented by: Pocketnow
Here are some tips to make Android Ice Cream Sandwich feel as fast as possible:
1. Use a third party launcher that allows you to have more icons on the screen at once and avoid the screen animations in the app drawer
2. Turn off screen animations through the Developer Options Settings
3. Swipe off unused tabs in the browser
4. Swipe off programs from the app switcher interface
5. Disable your Lockscreen through the Security Settings