Hosts File Editor for Windows Mobile
How to Edit Hosts File on Windows Mobile ? We cant, coz Windows Mobile does not have a Hosts file, but all hope is not lost. In WM this information is stored in the registry ( HKLM\Comm\Tcpip\Hosts ) we can edit the registry to reflect the changes we require, or use the tool developed by mobilitydojo.net which does the registry editing for you from the comfort of a nice and simple GUI.
Source : mobilitydojo.net