Still usable for non-Mongolian readers
The app is in written in Cyrillic but numeric readings are superimposed on a map of Ulaanbaatar so it's pretty easy to figure out.
Not enough ratings yet to assess Agaar.mn.
Agaar.mn appears to be a legitimate app. AppsHunter Legitimacy Score for Agaar.mn is 80/100.
Based on 80 of 100 points across 7 verification signals from App Store and developer data.