FastCleanup is freeware utility for Windows Mobile Pocket PC devices to cleanup all the temporary and internet cached files, delete unused files and free up space from your mobile device, including external storage card.

Features include:

-delete all temporary files under \Temp directory
-delete all Avantgo downloaded files (optional)
-delete all Internet Explorer downloaded files (cache, cookies and history files)
-find the cached files and directories (even on external card) and delete them automatically

Download Link- http://www.megaone.com/fengwei/FastCleanup.zip