The recompiling CPU emulator was written by Eric Traut. It was first released for the Macintosh, in 1999, after being previewed at Macworld/iWorld the same year by Steve Jobs and Phil Schiller.
The Virtual Game Station (VGS) was an emulator by Connectix that allows Sony PlayStation games to be played on a desktop computer.
'Virtual Game Station' at the Wayback Machine (archive index)