All about android: Jelly Bean,Ice Cream Sandwich or Gingerbread::Which is better????

Android is currently the leading platform in the mobile world. The first commercial version was released on September 23, 2008 and since then; Google has released 9 versions of the operating system with Jelly Bean being the recent one.

So, what is it that makes one Android OS different from another?

Android 2.3.x Gingerbread

Faster, more intuitive text input in virtual keyboard, with improved accuracy, better suggested text and voice input mode
Enhanced copy/paste functionality, allowing users to select a word by press-hold, copy, and paste
Concurrent garbage collection for increased performance
Native support for more sensors
Improved power management with a more active role in managing apps that are keeping the device awake for too long

Android 4.0.x Ice Cream Sandwich

Improved copy and paste functionality
Separation of widgets in a new tab, listed in a similar manner to apps
Easier-to-create folders, with a drag-and-drop style
A customizable launcher
Improved visual voicemail with the ability to speed up or slow down voicemail messages
Pinch-to-zoom functionality in the calendar
Integrated screenshot capture (accomplished by holding down the Power and Volume-Down buttons)
Improved error correction on the keyboard
Ability to access apps directly from lock screen
Support for the WebP image format^[63]
Hardware acceleration of the UI^[75]
Wi-Fi Direct^[76]
1080p video recording for stock Android devices
Android VPN Framework (AVF), and TUN (but not TAP) kernel module. Prior to 4.0, VPN software required rooted Android.

Android Jelly Bean 4.x

Bluetooth Low Energy support.^[107]
Bluetooth Audio/Video Remote Control Profile (AVRCP) 1.3 support
OpenGL ES 3.0 support, allowing for improved game graphics^[107]
Restricted access mode for new user profiles^[107]
Filesystem write performance improvement by running fstrim command while device is idle^[108]
Dial pad auto-complete in the Phone app^[107]
Improvements to Photo Sphere^[109]
Reworked camera UI, previously introduced on Google Play edition phones^[110]
Added fine-grained application permissions controls (hidden by default)^[111]
4K resolution support^[112]
Many security enhancements, performance enhancements, and bug fixes^[113]
System-level support for geofencing and Wi-Fi scanning APIs
- Background Wi-Fi location still runs even when Wi-Fi is turned off
Developer logging and analyzing enhancements
Added support for five more human languages
Improved digital rights management (DRM) APIs
Hebrew and Arabic right-to-left (RTL) support^[107]
Clock in the status bar disappears if clock is selected as lockscreen widget