This WP7.1 AppDataHelper assembly is used to store global data within the Application's dictionary for NaviationService calls.

This WP8.0 Progress Helper assembly is used to display progress feedback using the built-in WP progress-bar using a separate thread to avoid visual stalls.

This WP7.1 StorageHelper assembly is used to serialize classes into XML data for save/load operations, saved to WP7.1 store.

This WP7.1 UserDataHelper assembly is used to retrieve user-data from Windows Phone, returnable as ViewModel types classes, which are usable in XAML controls.

This WP7.1 XamlHelper assembly is used to retrieve visual-items from collections generated using data-templates, using .Net ItemContainerGenerator method.

To communicate progress-iteration simply and quickly using a two-part component design.