CCRegEdit

the author of this app says:

CCRegEdit is a registry editor for Palm PCs running Windows CE 2.11 or higher. With CCRegEdit you can easily read and modify your device's registry without the need for a desktop PC. You can create or delete keys and values, change and rename values. Special features include a split screen layout for easy handling and a fast global find function. CCRegedit supports all common data types like strings, multi strings, dwords and binary data.

Requirements

2.11 and Above