"He likes to get in the opposition's half a lot more and try to get in the final third and try to score a lot more than David Silva.
"He can see a pass, he's got terrific skill; he's like a five-a-side player playing in 11-a-side. He's just incredible."
Richards added that Foden's skillset makes him a unique player in the England set-up.
"It's good to see a young English talent who has got this sort of skill," he said. "Normally, we see a player with this sort of skill coming from a Spain or a Portugal.
"His confidence is growing and growing. Pep's [Guardiola] come out and said he doesn't want to sign anyone else in that position, and I think he's the man that can step up."