From what I have heard, it's just a test build for now, the developers are testing it. A few of the people from Broadcom are currently active at http://madteam.co/ forums discussing it with whitexp and other people who are working on Cyanogenmod for the Galaxy Young.
If you are wondering what I'm talking about, these binaries will help Galaxy Y
take full advantage of it's BCM2763 VideoCore IV GPU in custom ROMs and kernels.
Read more: here.
If you know what you're doing, you can get them from here.