Convert your phone (Visually) to The New Samsung Galaxy S3

  

Step 1- Flash a custom ROM/Upgrade to 4.0.4 (ICS)

Step 2-Get S3 Water dandelion live wallpaper from play store  CLICK HERE

You can customize the wallpaper as you wish,adjusting ripple speed,frequency,custom background etc..

  PS-If you dont want /like LWP,get this one-

Step 3-Get GO launcher Ex   HERE   Set up S3 live dandelion LWP . Step 4-Get Samsung Galaxy S3 TouchWiz theme from market  HERE

Step 5-Get GO Locker.
Search for SGS3 GO locker theme in store.  HERE