ЖД БИЛЕТ. Москва-Петербург is an Android application developed by Aminta Ltd. that provides electronic tickets for the high-speed train Sapsan and other trains of the Russian Railways (RZD) in Russia and the CIS. With this app, users can book and pay for train tickets online, avoiding the hassle of going to a physical ticket office.

The app is easy to use and allows users to search for train schedules, routes, and ticket availability. It also provides information about train stations and their locations on the map. Once the ticket is purchased, it can be saved in the app and used as an electronic ticket. The app also sends notifications about the upcoming trips, including the departure and arrival times.

Overall, ЖД БИЛЕТ. Москва-Петербург is a convenient way to book train tickets in Russia and the CIS, especially for those who prefer to avoid long lines and physical ticket offices.