IBM Lotus Expeditor provides an end-to-end environment that includes a server, a client that provides support for desktops, laptops, and mobile devices, and a toolkit that provides a complete, integrated set of tools you can use to develop, debug, test, package, and deploy client applications. The toolkit is built using Eclipse technology and leverages the Eclipse plug-in framework. This article describes how to use Lotus Expeditor Toolkit to debug and deploy an application to a Windows Mobile 5.0 device and a Windows Mobile 5.0 emulator.