Currently the HELIO is only available with the proprietary VT operating system. See FMS for informations about the Linux port.
The manufacturer of the HELIO is VTech .
vhl-tools, a SourceForge project, works on utilities, patches, documentation, and integration of Open Source software for Linux on the VTech Helio PDA.
PocketLinux has a port, as well as Debian and Redhat packages.
VR Org cross compiler