The Dropbox team have given their Android app what they call a tune-up today, releasing a beta version that promises better video playback in Android 4.0 and above, user interface improvements on the Nexus 7 tablet, and the ability to open Dropbox files directly from within other applications. The ever-present and ever-mysterious bug fixes are also present in this update, which has been made available as an APK — accessible via the download link or the QR code you see below.