This plugin adds unread mail count badge onto Desktop VisualizeR widgets. Needs Desktop VisualizeR 1. 4. 3 or later in order to use this app. Supported mail apps are. GMail 2. 3. 6 or later GMail 4. 0. 5 or later K-9 Mail 4. 3 or later. Usage. 1. Create Desktop VisualizeR widget and tap to configure.