http://{{your_host_url}}/omk/odk/submissions/{{form}}.json
This is where you can see what OpenMapKit Android users submitted to OpenMapKit Server.
http://{{your_host_url}}/omk/odk/submissions/{{form}}.osm
To filter your OSM submissions by user, do the following:
http://{{your_host_url}}/omk/odk/submissions/{{form}}.osm?user={{osm_user}}
To filter by date:
http://{{your_host_url}}/omk/odk/submissions/{{form}}.osm?submitTimeStart=2015-12-28
or
http://{{your_host_url}}/omk/odk/submissions/{{form}}.osm?submitTimeStart=2015-12-28&submitTimeEnd=2015-12-30