I'm an Android user myself.
We currently only have Crush the Castle for the Android platform, and Shift (or the free 'lite' version)
We'll be adding more in the future. AG3 is also going to let you know when a game you're playing has a native iOS/Android version.
BTW, you can also go to m.armorgames.com on your Android device, since you have Flash (and hopefully Froyo or better and Flash 10.2 for speed boosts) and play several games there as well.