anchor.diff:  
   to_json(Req0, State) ->
       {IsPretty, Req1} = cowboy_req:qs_val(<<"pretty">>, Req0),
  -    {Limit, Req2} = cowboy_req:qs_val(<<"limit">>, Req1, <<"1">>),
  -% TODO: Uncommenct this line to get queries from real DB
  -% TODO: DevicesList = get_devices(Limit),
  -    TestDevices = [get_sample_device(<<"rower">>, <<"50.066902,19.929014">>),
  -               get_sample_device(<<"pies">>, <<"52.066902,20.929014">>)],
  -    Reply = get_reply(TestDevices, IsPretty),
  -    {Reply, Req2, State}.
  +    DevicesList = get_devices(?LIMIT),
  +%    TestDevices = [get_sample_device(<<"rower">>),
  +%               get_sample_device(<<"pies">>)],
  +    Reply = get_reply(DevicesList, IsPretty),
  +    {Reply, Req1, State}.
   
   %% Internal
   
  -get_devices(LimitBin) ->
  -    Limit = erlang:binary_to_integer(LimitBin),
  -    {ok, Devices} = location_store:get_devices(),
  -    get_devices_with_location(Devices, Limit).
  +get_devices(Limit) ->
  +    {ok, Devices1} = location_store:get_devices(),
  +    Devices2 = lists:filter(
  +                 fun(DBName) ->
  +                         (DBName =/= <<225,79,184,32,62,1:4>>) and
  +                         (DBName =/= <<228,36,18>>) and
  +                         (DBName =/= <<"123">>)
  +                 end,
  +                 Devices1),
  +    get_devices_with_location(Devices2, Limit).
   
   get_devices_with_location(Devices, Limit) ->
  -    Locations = lists:map(
  -                  fun(Device) ->
  -                          location_store:get_current_locations(Device, Limit)
  -                  end,
  -                  Devices),
  -    lists:zip(Devices, Locations).
  +    lists:map(
  +      fun(Device) ->
  +              {ok, [Location]} = location_store:get_current_locations(Device, Limit),
  +              DeviceName = <<"pies">>,
  +              Result = maps:put(<<"display_name">>, DeviceName, Location),
  +              lager:info("~n ~n ~p ~n ~n", [Result]),
  +              Result
  +      end,
  +      Devices).
   
   get_reply(DevicesList, <<"true">>) ->
       tr_json:pretty_encode(DevicesList);
  
positive.code:          allowed_methods/2,
           content_types_provided/2,
           to_json/2]).
  
  init({tcp, http}, _Req, _Opts) ->
      {upgrade, protocol, cowboy_rest}.
  
negative.code: get_reply(DevicesList, _) ->
      tr_json:encode(DevicesList).
  
  get_sample_device(Name) ->
      #{<<"display_name">> => Name,
        <<"data">> => <<"50.066902,19.929014">>,
        <<"ttl">> => <<"60">>,
        <<"published_at">> => <<"2016-08-17T10:28:03.512Z">>,
        <<"coreid">> => <<"4f0047001951343334363036">>}.
  