Enable ClearType in Landscape mode
 

Enable ClearType in Landscape mode:

To enable ClearType in Landscape mode:
HKLM\System\GDI\ClearTypeSettings\OffOnRotation = 0 (DWORD decimal)
To disable:
HKLM\System\GDI\ClearTypeSettings\OffOnRotation = 1 (DWORD decimal)

Note that your PocketPC screen's LCD red/green/blue ordering required for proper ClearType display is only correct for Portrait display. You may or may not prefer to leave ClearType in Landscape mode disabled