PocketPC PSD Viewer is a freeware application for Windows Mobile 2003 based Pocket PC devices that allows you to open an Adobe Photoshop PSD image directly on your mobile device. According to the project’s homepage, the following formats are supported: RGB, Lab, CMY, CMYK, Indexed, Grayscale and
Duotone. This is only a PSD viewer, not an editor.

Download here

(This is the actual source code of the software, Inside the Zip file is an EXE file called PSDViewer which needs to be transferred to the Pocket PC)