Peter is right: there is no support for a network synchronisation
protocol.
But any service for synchronizing files between a computer and your
phone should work. For instance, I know that quite a few people have
used dropbox successfully.
The most important thing is to quit Mnemododo before running an
export, and to not start it again until the files have been
transferred onto your phone. This operation is relatively low risk,
because if it doesn't work, you can just try again (using the "Force
to local" button to reset Mnemogogo).
For an import, it is important to quit Mnemododo and to wait for the
STATS.CSV and PRELOG files to be copied onto your PC before running an
import. This step is more delicate, because if you import too early,
you risk losing the remote STATS.CSV file and all of your remote
reviewing statistics! (Mnemogogo renames the local STATS.CSV file to
STATS.BKP after an import; this may cause the deletion of the remote
STATS.CSV file.)
Tim.