To view the code and detailed build steps, see the github source.
Blog - Rhomobile's blog is updated relatively frequently with information about new releases.
Official Guides - Guides describing how to perform common tasks using Rhomobile.
Rhomobile on Twitter - Rhomobile's Twitter regularly posts interesting articles related to the framework and Android in general. It can also be used to keep up to date with releases.
Forum - The Rhomobile forums are reasonably active and are a great place to post your experience with the framework and to seek or provide help.
Rhomobile on Stackoverflow - A wide variety of questions and answers relating to Rhomobile.