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Home is presenting the welcome screen of application. About information is requested from the data-provider and provides server reltated related information.
Home and About are part of the UX Framework.
About information is collected on server side.
Devicemanager information is created, by searching through active bundles and file bundle.symbolicname() for "devicemanager" and "provider" and list related hits. It excludes the "devicemanager" core bundle.
Service Applications
All other applications provide specific services and are descibed on related page.