i submit a extras-devel an app for update it...
it's very simple

put yours google username ( ej: rlinfati ) and your pass and push Update button

at the side you can change the lat, lon and accureacy

next step, use the cellinfo and/or gps for get the coordenate ( now use only your ip )

The garage project with the git repository: http://googlelatitude.garage.maemo.org/