+### Build a widget
+
+#### config.xml.in file
+
+To build a widget you need to configure file _config.xml_. This repo
+provide a simple default file _config.xml.in_ that will be configured using the
+variable set in _config.cmake_ file.
+
+> ***CAUTION*** : The default file is only meant to be use for a
+> simple widget app, more complicated ones which needed to export
+> their api, or ship several app in one widget need to use the provided
+> _config.xml.in.sample_ which had all new Application Framework
+> features explained and examples.
+
+#### Using cmake template macros