ID SOFTWARE said it has formed a new division, id Mobile.
The Doom creators plan mobile versions of Quake and Wolfenstein, plus a sequel to Doom RPG, which has sold a million on mobiles already.
According to USA Today, id co-founder John Carmack reckons the time is ripe for mobiles.
"We are operating on the assumption that mobile gaming has a potential for huge growth. It's at a tipping point," he said.
"Everybody has a phone, and almost every phone is powerful enough to do good games on it."
Carmack has put his missus, Katherine Anna Kang, in charge as id Mobile's first president. µ
"... and almost every phone is powerful enough to do good games on it."

I'm still waiting for a Nokia phone to be fast enough to run it's own operating system! S60 on my N73 wouldn't run Wolfenstein (more's the shame :( ).
Don't think FPS is something you would enjoy playing on a phone. I gave Quake for PocketPC a go but I'll stick with Minesweeper&Co. for the foreseeable future.
Oh yeah.... apart from iPhone that is lol
Hardly surprising as Enemy Territory: Quake Wars is already being bundled with video cards. (I have three copies now). PC game (IDs) best development days were in the 90's. Unless you're into Warcraft and the like. 

The mobile market is far from a standardized platform but the market is ever expanding. Of course, it helps that phones are a necessity.
"Everybody has a phone, and almost every phone is powerful enough to do good games on it."
He forgot to add "and as good as no phone has any kind of usable controller", to complete the thought.