DCBM has updated Word Writer Pro (http://dcbm.livejournal.com/) for Mac OS X to version 1.2.1. The app lets you to open Word and Microsoft Office documents.
The upgrade supports Retina displays. Plus, all documents can easily be viewed, modified and saved in "perfect layouts," says Han Qiang of the DCBM development team.
Word Writer Pro requires Mac OS X 10.7 or later. It costs US$9.99 and is available at the Mac App Store.