AndrOpen Office

AndrOpen Office is a independent port of Apache OpenOffice for Android.

You can view, edit, import, and export PDF, Word, Excel & PowerPoint documents using full features of the OpenOffice in the PC version.

AndrOpen Office has 5 components:
Writer a word processor you can use for anything from writing a quick letter to producing an entire book.
Calc a powerful spreadsheet with all the tools you need to calculate, analyze, and present your data in numerical reports or graphics.
Impress the fastest, most powerful way to create effective multimedia presentations.
Draw lets you produce everything from simple diagrams to dynamic 3D illustrations.
Math lets you create mathematical equations with a graphic user interface or by directly typing your formulas into the equation editor.

Features

View / edit / insert / export docs
Export / Import PDF
High fidelity
Formatting paragraphs
Support for embedded object
Save docs to extensive file formats
Support for password
Internationalization
Localization
Support for macro
Support for Google Drive / Dropbox / OneDrive / Box / NAS / WebDAV (Paid version only)
Support for spell checker, hyphenator, thesaurus
Support for printing (Android 4.4+)