Solutions yet? After almost 9 years of using Nokia c5-00 decided to switch to Android. Everything seems to have transferred except for these points. And a lot of them have accumulated. Already in different formats, these converted lmx - either Google maps or Yandex do not understand. And at the very Top do not open anything.
upd. Found a method for importing into Google maps. To start convert kml to lmx. Of all the online and other programs none of the right with the Russian language does not work - then imported some question marks. Decided program gpsbabel, there are under Linux and Windows too. Has a graphical interface, but again does not convert if you use it. But in command line, easily converted, only the key to specify a character set -c does not work, though the documentation shows this. But without it, everything is normal. When the kml is opened in Google My Maps (https://mymaps.google.com/),
add a map or use an existing (I used one of his old, 2010), adding a new layer there under the layer name, click Import, and specify your file (or just drag the mouse back into the browser directly). Imported fine. Google maps on the smartphone and then displayed.