I presently provide technical support to family members using both the Acer Iconia TAB A100 (7" display) and the A500 (10" display) tablet computers. Both models now run WD 2go successfully under Android 4 (specifically, Acer's release in April of version 4.03), also popularly known as "Ice Cream Sandwich."
This posting supersedes an earlier one reporting a possible compatibility issue. This no longer appears the case. I would like to see a more rigorous remote user authentication process (on both the client and the server) than a stored credential that, without intervention on the file server, would persist even were the device to end up in wrong hands.