Update 1 (Nov 8, 2013):
Note that a little more info is posted on the Gauge Graphics article.
Blog 1 (Mar 16, 2013):
This write-up is a work in progress. Thanks for your patience and for your help with making it complete.
With version 2.6.0 we finished off many of the todo's listed below. Check it out!
Version 1.6 introduced the Gauge Builder. Only one problem - it might be a little tricky to use without any instructions. Don't worry too much though as we will release future app updates to help make things easier.
Well... iiwii (it is what it is) but lucky you found this blog as we'll try and make life a little easier by explaining a few things...