OfficeSuite Free
Brand: MobiSystems, Inc.
View, create and edit complex office documents all from a familiar desktop-style interface
Full compatibility with Microsoft formats including DOC, DOCX, DOCM, XLS, XLSX, XLSM, PPT, PPTX, PPS, PPSX, PPTM, PPSM
Support for PDF files including PDF camera scanning and Export to PDF
Additional support for common formats like RTF, TXT, LOG, CSV, EML, ZIP; (Open Office - ODT, ODS and ODP - support available as in-app purchase)
Integrated with File Commander for advanced synchronization and quick and easy access to both local and remote files