Because they're joining the corporate america problem. Every good decent human being that makes something for themselves ALWAYS gets bought out by corporate greed. Google probably said "We cannot have you making this emulator, so either come work for us or face a lawsuit" ... This is absolute bullcrap, yet another good product off the market because the creators have no spines. Honest intelligent people would have said "Sorry we are discontinuing this, but here's the download links and here's the source, if anyone wants to continue the work for us since we're giving up on our morals"