TouchKit allows developers to make applications that look and behave like iPhone applications using only Vaadin.
This add-on is available under two licenses: AGPL and CVAL. If your project is compatible with AGPL, you can use the add-on for free; otherwise you must acquire a sufficient number of CVAL licenses before the 30-day trial period ends. For more info, click the license links in the summary above.
"Short screencasts that outlines features of applause, a domain-specific language (DSL) and code generator to produce native apps for iPhone, Android and BlackBerry. You can find this open-source project at code.google.com/p/applause"
"Cross platform mobile development toolkit consisting of a DSL for defining mobile apps and code generators for creating native apps for iOS, Android, Windows Phone 7 and Google App Engine. Based on Eclipse and Xtext."