Epic 3-D Viewer is used for viewing 3-D CAD Files in Android Mobile and Tablet Offline.
It supports .epic files exported using below plugins

1 Navisworks to Mobile View: A plugin supported in Auto desk Navisworks 20162017 and 2018. It support very large files in Mobile and Tablet.
https://apps.autodesk.com/NAVIS/en/Detail/Index?id=3652159702824628834&appLang=en&os=Win64

2. Epic file exporter for other CAD platform : Coming soon !!! You may log your request by contacting us. That will help us to prioritize the next possible platform to support. Some of the CAD platforms we are planning for Auto desk Inventor Autodesk Auto CAD Autodesk Fusion Autodesk Revit Solid works.