Adapt Your App - emulators, guidance, and tools to help keep your apps runniing on the latest device displays

The Adapt Your App Site ( is a great resource for learning about display sizes and orientations in Windows Mobile.

The site has links to the Device Emulator V1.0 standalone release plus V2 CTP, as well asĀ  pointers to all of the OS images available on - 2003 SE, WM 5.0, WM 5.0 MSFP, and localized WM 5.0 images.