SimLab has released their CAD Viewer for Android. Installed it on my Nexus 7 and it seems to work.
I haven't had time to test it with my own files yet, but it's nice to see some Android development!

Here's the Blog link:

http://simlabsoft.blogspot.ca/2013/01/simlab-cad-viewer-for-android.html

Edit:

Not working on an Asus Transformer TF101. :(