Create menu items to display your synced files.
Use the type org.alfresco.client.view.sync , no parameters are required.
With this you could create a menu item that shows all your synced content.
"views" : {
"<view-sync-files>":
{
"label-id": "<Synced Files>",
"type": "org.alfresco.client.view.sync"
}
}