Take a walk on the client side with Qt Jambi -- an alternative to Swing and Java 2D for developing rich, cross-platform desktop-application interfaces.

SWTBot and Marathon are both applications to write GUI tests for Java applications. SWTBot uses Java and is thus potentially usable with JRuby.

Does anyone here have experience with another modern looking GUI toolkit for Perl on Windows? Ideally, the app would work cross platform, but if that's a bridge too far, Windows would be the #1 ...

Yes, solving this means creating yet another framework. Application framework note: It is worth mentioning that any GUI application beyond "Hello World" may need quiet a few extra things not provided ...

Amazon's early approach to hybrid HTML5 Android app development may not have been a straight path, but according to their director of app developer services, Ethan Evans, the process taught volumes.