He plans for a release in the next few days. In the meantime, he showcased the beta version running on his PS3, in the video below.
-Downloadbutton "BackUp manager"
-/app_Host/PS3_Game Icon -> Ps1-disc icon
Actually, I can speak german very well. Here's my personal translation:
" If I understood the whole structure of a payload, I would be able to integrate it into a payload. No, of course for normal users there's just the possibility to load the ModFW through a USB-Dongle/Loader, but for users with access to the hypervisory it is indeed possible to load it through the flash of the PS3 (so probably no one of you can do something with the second method). "