View and markup Autodesk DWF files on your mobile Android device for free using the Autodesk Design Review Mobile now available in the Android Market. 

Expedite the design review process by viewing and redlining design files while in the field or out of the office. Autodesk® Design Review mobile app enables you to review Autodesk 2D and 3D design files directly on your Android Phone or Tablet. View and mark up drawings on the spot, reduce the need to carry around over-sized paper drawings, and enjoy an all-digital design review workflow on your mobile device.

View

• Open and view 2D and 3D DWF files from your Autodesk Cloud  documents account
• Use multi-touch gestures to zoom, pan, and rotate drawings
• View meta data and other details about elements within your technical drawings

Markup

• Use simple redlining and intuitive mark up tools to communicate changes
• Add text or comments using familiar callouts

Autodesk Design Review Mobile for Android
https://market.android.com/details?id=com.autodesk.ADRViewer