Nerd News: Steam Mobile, Steam for iPhone & Android

Hmm seems like it is just for chatting and browsing games, they don't seem to have added mobile games yet, Steam link here http://store.steampowered.com/mobile

According to TechSpot:

Although you can install the app, it's still in closed beta so you can't login if your account isn't approved. However, by attempting to log in, your account is entered into the pool of potential beta invites.