A few more:
VplayerExcellent video player for Android. Supports way more formats than the included player handles, and
the paid version is only a quid or so right now.
DroidwallA point and click interface to the Linux kernel's excellent Xtables firewall packet filters. Use this to restrict data access (wifi and/or mobile-data) on a per-app basis. Excellent.
Jota Text EditorA very useful text editor, with available plugins for
speech input and
spell checking, all English and all
FREE!And one I'm dithering about: looks excellent, but I just don't have a real use case for it at CAD$5.90:
Android OfficeFor MS Word, Excel, and regular text files, with PowerPoint and others promised for future versions.