"Build applications for Windows Mobile 2003-based Smartphones." Edit By BS Editor: The Smartphone 2003 SDK enables application development for the newest Smartphone development platform. The Smartphone 2003 SDK enables developers to: * Develop .NET applications for devices: The Microsoftآ® .NET Compact Framework is in ROM in Windows Mobile 2003-based Smartphones and enables a whole new host of benefits for developers, such as rapid application development, native XML Web services support, enterprise class connectivity and performance, and IDE support from Microsoft Visual Studioآ® .NET 2003. * Leverage new core Operating System: Windows Mobile 2003-based Smartphones, like 2003-based Pocket PCs, run on Windows CE .NET 4.2, enhancing APIs and overall programmability. * Develop, test and deploy applications FASTER: The emulation environment is more robust and now supports Windows Mobile 2003-based Smartphones with support for radio. The emulator also offers new features, including drive mapping, GAPI support and performance improvements. In addition, the new application security model includes a â€œpromptâ€ mode.