Humble Bundle for Android 4 is live. Pay what you want for Android games (most also come with Steam keys if you pay a minimum of $1).
Pay What You Want:
Waking Mars – Not yet on Steam, but there’s a Greenlight project for this.
Crayon Physics Deluxe
Superbrothers: Sword & Sworcery EP
Beat the Average price and you’ll get:
Ends in two weeks.