There is a first build for Our Galaxy Young (Also the dual Sim variant).
Managed to get working the EXTERNAL SD Card but the Backup mode is still corrupt.
If You want to get the root mode, flash the supersu.zip via Recovery !
Flash recovery via Odin

To download the Recovery and the Supersu zip, get to FTP

Don't use following command to restart:

reboot recovery 

You should use just reboot...


Entering in CWM!!
1. Switch off the Phone completely.
2. Press & Hold Volume Up + Home + Power Key.
CWM will appear!