This forum is now a read-only archive. All commenting, posting, registration services have been turned off. Those needing community support and/or wanting to ask questions should refer to the Tag/Forum map, and to http://spring.io/questions for a curated list of stackoverflow tags that Pivotal engineers, and the community, monitor.
Spring Roo supports GWT. Whether it's the right choice for your application is of course for you to judge; did you have a specific question in mind?
P.S. I guess by "aprobechar" you mean "take advantage of" (thanks, Google Translate!).