The official Android 4.2.2 update for Samsung Galaxy S3 is still pending and may even be delayed due to low sales of Samsung Galaxy S4. Yet, the Android 4.3 Jelly Bean had been seen running on Galaxy S4 Google Play Edition and Snapdragon variant. What would be the difference between Galaxy S3 with TouchWiz and Galaxy S4 running Android 4.3?

Android 4.3 New Features and Changes

According to GottaBeMobile, Android 4.3 features new addition and changes on several areas such as Wi-Fi, notifications, Bluetooth, Camera and font settings.

1. Always Scanning Wi-Fi: Allows Wi-Fi connection to "improve location accuracy and for other purposes"

2. Bluetooth LE: New Bluetooth Light Energy for avid Bluetooth users which improves battery life using Bluetooth wireless connection.

3. Font Changes: New font tweaks which includes "Roboto" font inside.

4. Tweaked Camera App: Shutter control toggle using volume rocker.

5. Notifications: Wide range of displayed information on notifications from any installed applications.

Android 4.3 Jelly Bean: Samsung Galaxy S3 vs. Galaxy S4

Here are some details of Android 4.3 Jelly Bean stock UI on Samsung Galaxy S4 Snapdragon variant.

1. Red Live Wallpaper - It is based on the original Phase Beam live wallpaper on the Ice Cream Sandwich, except for its red colour.

2. Google Search Widget - The Search widget remains on the top of your home screen and moves along between panels. You can use it to access Google Now.

3. Quick Settings - Quickly access Wi-Fi, Bluetooth, Airplane, Brightness and Settings toggles on the notifications shade.

4. Lock Screen Widgets - Add widgets on the lock screen such as Calendar, Camera, Clock, Email, Gmail, Google Keep, Google Now, Google+ and Messaging.

5. Stock Google Applications - Google Chrome Browser and Google Music Play are two among other applications from Google Services.

6. Android 4.3 Jelly Bean - Go to "Settings > About Phone > Android Version" and click it several times. The same old Jelly Bean image smiles with Android 4.3 text below.

Android 4.1.2 Jelly Bean with TouchWiz UI on Samsung Galaxy S3

1. Ripple Effect on Lock Screen - Added animation upon unlocking the lock screen.

2. Toggles from TouchWiz - Quick toggles of up to 10 buttons on the notifications shade.

3. Hide Applications - No need to use third-party launchers to hide icons of applications.

4. Samsung Applications - Some Samsung apps may be useful to others such as Blocking mode and S Planner.

5. Google Services - Galaxy S3 can still download and install Google apps from the Play Store.

Android 4.3 Jelly Bean source code has been released to Galaxy S4 and Samsung may eventually update the Galaxy S3 in the future after Android 4.2.2. Android 4.2.2 and Android 4.3 are not very different from each other except for major bug fixes included.