Jelly Bean Blast Android 4.1 ROM Features:
- Replaced launcher with Stock ICS like launcher!!!( HOLO LAUNCHER from Mobint)
 - Added ICS circle lock
 - All apps like ICS
 - Upgraded: Google play Store(not Market), Google PLAY music, new Google maps, and much more!!!
 - Added link2sd ( You can move ALL apps to SD with this app!!!)
 - Retains DSP Manager for great sound!!!
 - Swype with ICS theme!!!!!!
 - Exactly ICS like FOLDERS!!!!!!!!
 - Removed more bloatware!!!
 - Added ICS gallery!!!!! Much, much faster!!!
 - Transparent notification panel( from Creed…)
 - Contains full ICS ANIMATIONS!!!!….please activate it under settings >display ..because it is turned off to save battery ….
 - A BEAUTIFUL Custom ROM, which looks exactly like GALAXY NEXUS!!! YAY!!!!
 - Based on S5360DDLA1, but works on any version u are using!!
 - Completely stable!!!
 
        To remember:
- Your phone SHOULD be rooted.
 - This tutorial will wipe out all your data. Proceed at your own risk.
 - Samsung KIES will NOT detect your phone after installing Jelly Blast ROM because it is a custom ROM.
 - ClockworkMod recovery should be installed from before.
 - Make sure you backup all your data in your phone before proceeding.
 
Screenshots:
Download: Click here.
Installation guide (Updated):
Step 1 - Download Jelly Blast ROM for Galaxy Y to your phone.
Step 2 - Place the rom zip file in your sd card. Do not place it in any folders!
Step 3 - Then, turn off your phone.
Step 4 - After your phone is switched off, hold the Volume Up, Home and Power button altogether .
Step 5 - Use the volume keys to move up and down.
Step 6 - Select apply update from sd card, then press CWM.zip - Click here to download CWM.zip
Step 7 - In CWM recovery, wipe data and cache. 
Step 8 - Select install zip from sd card
Step 9 - Choose JellyBlastGenED.signed.zip
Step 10 - Choose "Yes" (It will be installed)
Step 11- After the rom has been installed, reboot your phone!
Step 12- After your phone has rebooted, you have sucessfully updated your galaxy y to Android 4.1 Jelly Bean.
Step 11- After the rom has been installed, reboot your phone!
Step 12- After your phone has rebooted, you have sucessfully updated your galaxy y to Android 4.1 Jelly Bean.
That’s it! Your Galaxy Y should now have Jelly Bean Blast Android 4.1 ROM installed on your phone! Go to Settings > About phone to verify.
Video guide:
Video guide:
[Note: The Android version is displayed as 4.0.4 to complete the look and feel of the ROM. Users should keep in mind that it is actually 2.3.6]
We will not be responsible for any damage of your phone, flash this at your own responsibility. No one will be liable for any damages.
More info at xda thread: http://forum.xda-developers.com/showthread.php?t=1679563
Update:
It appears that many people have SMS problems with this ROM. A simple solution to that would be to read the following comment:

