iCloudANE is a native extension that enables the use of iCloud storage service. The extension supports String Key-Value Stores, that can be combined with JSON to store complex data. The iCloud service allows iOS application to share information among different devices.
http://airextensions.net/shop/extensions/icloud-by-vitapoly/
Sample
var iCloud:iCloudANE = new iCloudANE();
// storing data
// so.data is some shared object data. but it can just be a generic string
iCloud.store("save", JSON.stringify(so.data));
// retrieving data
var iCloudSave:String = iCloud.getStringForKey("save");
