Collabora Office: LibreOffice OpenOffice
A free app for Android, by Collabora Productivity Limited.
Make work and collaboration more seamless even if you're just using your mobile device with the Collabora Office. This productivity app offers a text editor, spreadsheet, and presentation program based on LibreOffice. It supports various file types such as Open Document Format (.odt, .odp, .ods, .ots, .ott, .otp), Microsoft Officedocx, .pptx, .xlsx, .dotx, .xltx, .ppsx), and Microsoft OfficeXPdoc, .ppt, .xls, .dot, .xlt, .pps). With this app, you can easily create a report even while you're on the go. It also allows you to make a PowerPoint presentation and a table for all your work needs.