Only the current version so far — new entries appear as the app ships updates.
УБТЗ Eticket is a travel & local app by Ulaanbaatar Railway JVC with 100,000+ downloads (about 188K estimated). +1.7K installs in the last 7 days. Rated 3.0 from 302 ratings. Released Nov 27, 2018. Install growth, rank history, SDKs and ad networks.
From the store listing: “Ticket ticket trading system of UBTZ passenger train ticket.”