Starting with "roundandbrown" — that sounds like a username or a group name. The dates 19, 10, 09 could be referring to the release date. Maybe 19th October 2009? Then "ms london" — maybe the version or platform? Like Microsoft London? "Just Peachy" is likely the title of a software or product. "XX" could denote a specific edition, maybe a double pack or extended version. "Repack" usually refers to a repackaged or repacked version of a game or software, possibly optimized for better performance or smaller size.