Document Viewer - Word Excel Docs Slide & Sheet is the smallest size (less than 30MB) and all-in-one complete free office suite on Android mobile and tablets
integrates all office word processor functions: Word PDF Presentation Spreadsheet Memo and Docs Scanner in one application and fully compatible with Microsoft Word Excel PowerPoint Google Doc and Adobe PDF format.

All Office File Formats
• File Formats: doc docx wptdotmdocm dot dotx / xls xlsx xlt xltx csv xml et ett / PDF / ppt pot dps dpt pptx potx ppsx / txt / log lrc c cpp h asm s java asp bat bas prg cmd epub html

If you are smart and you like this app please rate it. If you are smart and don't like it please send me an email to tell me what should be improved. Not so smart people may simply give a bad rating and/or use swear words in the comments and/or complain about "missing" features the software never promised to have...