The MobilePreview.config is the main Mobile Simulator configuration file. You can change settings in the <clientconfiguration> section.
Procedure
Open the MobilePreview.config configuration file, located by default in your SDL Tridion installation \C:\Program Files (x86)\Tridion\web\WebUI\Editors\MobilePreview\Configuration directory, in a text editor.
Configure the following settings in the <clientconfiguration> section:
<targettype>
The TCM URI of the Target Type that is used to publish content to the SiteEdit-enabled staging Web site.
<previewhost>
The default URL from which to preview mobile content. You can override the default by applying a Metadata Schema to a Publication. For more information, see Configuring the Publication staging Web site.
<publishtimeout>
The delay in seconds before the (published) preview page is displayed.