Users interested in Free dwg viewer windows phone generally download:
View DWG, DWF and DXF files, zoom in and out, get measurement points, look at the layer(s) you're interested in and check out object attributes.
View, mark up, annotate, measure and review 2D and 3D CAD designs. Track the changes in the design and get it ready for printing.
Opens DWG, DXF, DGN, as well hybrid i-models projects, gets the measurements embedded in the designs and prints the files.