Android Cloud SDK & REST APIs to build apps for rendering & viewing images, HTML, PDF, Word, Excel, Email, Visio, Project & CAD file formats....POTX, POTM Visio: VSD, VSDX, VSDM, VST, VSTX, VSTM, VSS, VSSX...DWG 7Z PS JSON JPF MOBI DOC VSDM XLTM FODP PROPERTIES BMP ONE...