Developed by Spectrum Entertainment, their CarDust has received an update which is actually pretty big. This update brings with it a completely rebuilt physics engine along with more content including two new game difficulties to choose from in case the Hard difficulty was a bit much for you to handle.
There are a few solid racing games out there for Android featuring the sort of top-down isometric viewpoint where your vehicles look like Micromachines. Reckless Racing and Mini Motor Racing would be two good examples of this. Well a third is heading our way very soon called CarDust.