1.
it already works.
in phonepag build zip file, include config.xml which have the following plugin use description tag
<widget,,,
,,,
<gap:plugin name="org.apache.cordova.camera" version="0.2.9" />
...
</widget>
2.
and as for the plugin use description tag
<widget,,,
,,,
<gap:plugin name="com.cranberrygame.phonegap.plugin.storepage" version="1.0.0" />
...
</widget>
this plugin (com.cranberrygame.phonegap.plugin.storepage) is only for wp8 Open store page phonepag build service i.e. for android app this doesn't be needed
thanks