Last year, one of the biggest news around retro gaming was the discovery of the “Nintendo PlayStation”, which was a prototype of a partnership between Nintendo and Sony (duh!) to give SNES capabilities to use cartridges and also CD for games.
RetroCollect reports that there is a file named SDBR_v0.95.sfc that seems to be legit, but they are still investigating to discard the possibility of being a very well designed hoax.
So far, the evidence points to the real deal, though. Read more about it following the link below.
Link: RetroCollect