Remove bloatware and install Android 4.2 apps on the Galaxy S III with PalaTool
You need to be rooted, and CWM recovery installed, but after that, it's fairly straightforward - just boot into recovery mode from ROM Manager, and point to the PalaTool zip file.
Here's the full list of what gets removed, and which Android 4.2 apps can be added:
Bloatware Remove:
* Stock Widgets
* Live Wallpapers
* Samsung Hubs
* Samsung Email
* Kies
* SMemo & PaperArtist
* AllShare
* S Cloud
* Yahoo Widgets
* SSuggest
* Flipboard
* Samsung Account
* Samsung Push Service
* Samsung Apps
* Samsung Update
* Other Sammy bloatware - Test apps etc.
Android 4.2 Apps:
* Android 4.2 Camera & Gallery
* Android 4.2 Desk Clock
* Android 4.2 Gmail
* Android 4.2 Wallet
* Android 4.2 Google Ears
* Android 4.2 Genie Widget
* Android 4.2 CyanogenMod File Manager
* Android 4.2 Calendar
* Android 4.2 Keyboard
Nexus 4 UI:
* Nexus 4 Audio
* Nexus 4 BootAnimation
* Nexus 4 Fonts
* Nexus 4 WallPapers
* Stock Widgets
* Live Wallpapers
* Samsung Hubs
* Samsung Email
* Kies
* SMemo & PaperArtist
* AllShare
* S Cloud
* Yahoo Widgets
* SSuggest
* Samsung Account
* Samsung Push Service
* Samsung Apps
* Samsung Update
* Other Sammy bloatware - Test apps etc.
Android 4.2 Apps:
* Android 4.2 Camera & Gallery
* Android 4.2 Desk Clock
* Android 4.2 Gmail
* Android 4.2 Wallet
* Android 4.2 Google Ears
* Android 4.2 Genie Widget
* Android 4.2 CyanogenMod File Manager
* Android 4.2 Calendar
* Android 4.2 Keyboard
Nexus 4 UI:
* Nexus 4 Audio
* Nexus 4 BootAnimation
* Nexus 4 Fonts
* Nexus 4 WallPapers
As you can see, the author also throws in Nexus 4 UI elements like fonts and wallpapers, as well as CyanogenMod APN list, and he promises many other mods to be added in the future. Saves time in removing bloatware piece by piece, and installing newest app versions, no doubt.
source: shahar2k9 (XDA-Devs)
Things that are NOT allowed: