DTTG2 add database from DTPO

I originally added the databases from my DTPO to DTTG2 with no problem. I just created an new database on DTPO and have selected it from Dropbox sync-store to sync. It seems all sync ops are complete, but it has not shown up on DTTG2. What have I missed? Thanks!
BTW, both apps are up-to-date.

You need to also select it on DTTG2 in Settings > Locations / Edit Locations > [name of the sync store].