The latest OfficeSuite Pro update is precisely the kind you want to see come from an office suite. No, the interface hasn't changed on you again. Instead, you now have the ability to access those OpenDocument files that have been floating around. OfficeSuite Pro 7.4 can open ODT, ODS, and ODP files - but, unfortunately, support stops there. You will have to save the document in a Microsoft Office format or as a PDF after making edits.
There are no shortage of office suites available for Android, but two of the most popular have been Quickoffice and OfficeSuite. The former took a hiatus after Google purchased it last year, and while the new version isn't bad per se, it's not what to used to be. In the meantime, OfficeSuite has continued to improve, and version 7.3 introduces a slew of new features that add an extra layer of polish to what is already a solid app.