eSWT is the embedded Standard Widget Toolkit which is a subset of desktop SWT API added to a set of widgets and dialogs which are mobile device specific (Mobile Extensions). SWT is an open source widget toolkit for Java designed to provide efficient, portable access to the user-interface facilities of the operating systems on which it is implemented. eSWT is a part of the Eclipse Embedded Rich Client Platform project.
eSWT API specification can be found as a zip file on the Eclipse Embedded Rich Client Platform web page.
The eSWT API is supported as specified in the eSWT specification.