First part, an Amstrad Emu site: cpczone.emuunlim.com
"They" is really Rlyeh who makes all the 'f something 32' emulators. He is apparently programming for the Zodiac at the moment, although he will continue with the GP32 in the future. He only mentioned he was making fcpc32, and it is in beta form, but I don't recall him releasing the beta.