Añadir dentro de la carpeta libs los SWC:
mobilecomponents.swc y mobile.swc
Flex Build Path -> Add SWC Folder
C:\Program Files (x86)\Adobe\Adobe Flash Builder 4.6\sdks\4.6.0\frameworks\libs\mobile\mobilecomponents.swc
C:\Program Files (x86)\Adobe\Adobe Flash Builder 4.6\sdks\4.6.0\frameworks\themes\Mobile\mobile.swc
MXML:
<?xml version="1.0" encoding="utf-8"?>
<s:WindowedApplication xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx">
<fx:Declarations>
<s:Callout id="callout" >
<s:layout>
<s:VerticalLayout/>
</s:layout>
<renders:renderCatalogoProductos/>
<renders:renderAdministrarProductos/>
<renders:renderSoporte/>
<renders:renderConfiguracion/>
<renders:renderCerrarSession/>
</s:Callout>
</fx:Declarations>
</s:WindowedApplication>
ItemRender:
<?xml version="1.0" encoding="utf-8"?>
<s:ItemRenderer xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx">
<s:BorderContainer id="background" left="10" right="10" top="10" bottom="15"
borderVisible="false" dropShadowVisible="true">
<s:backgroundFill>
<s:LinearGradient rotation="90">
<s:GradientEntry color="#ffffff"/>
</s:LinearGradient>
</s:backgroundFill>
</s:BorderContainer>
<s:Image id="img" y="10" width="124" height="124" complete="cargaCompleta()" horizontalCenter="0"
scaleMode="letterbox" smooth="true" smoothingQuality="high"
source="{GlobalStatic.url_image}"/>
<s:BusyIndicator id="loader" width="64" height="64" horizontalCenter="0" verticalCenter="-40"/>
</s:ItemRenderer>