Yes you Can Have Autocad On your Android!
Thanks to the AndroGeoid blog, I have found a way (android application) which allows you to have Autocad on your Android Device.
Android Application Name: AutoCad WS
Application Description: Viewer/editor of AutoCad files stored at the AutoCad WS website.
Publisher’s website: AutoCad WS
Version/date reviewed: v.1.0 / 4-20-11
Phone/OS: Droid X / Android 2.2
AutoDesk’s AutoCad WS site is a free cloud-based site for storing and editing AutoCad files (DXF and DWG formats); for more, see this post on the Free Geography Tools site for more info. The AutoCad WS Android app lets you access these files, files sent as email attachments, or files in online services like DropBox, then view/edit/annotate them, and have the changes synced to your AutoCad WS account.