For arrrgh: The best way to help is to just use the latest files and try to find bugs, errors, issues, etc. and then report them here so arrgh can relay them to the devs.
Often a dev will ask for a log of the error. Must can be found via adb. If you want to read all about that, check out these links. It seems really confusing at first, but its not that bad after a bit of reading and practice.
This explains what adb is:
ADB – Easy Tutorial | xda-developers
And this explains many of the common features:
[GUIDE] ADB Workshop and Guide for everyone - xda-developers