TElvira is a free Android application developed by hundeva, designed to provide train, bus, and combined schedules for the Hungarian transportation system. The app aims to provide a simple and easy-to-use interface without any unnecessary features. The application requires an active internet connection to search for schedules, but saved favorites can be viewed offline.

The main functions of the application include train and bus searches, combined searches, and the ability to set up filters. The app also provides detailed views of the results, including information on train delays and the reason for the delay (havaria events). Users can save their favorite schedules and open them without an internet connection, set alarms for upcoming trips, and follow trains on a map based on real-time GPS positions. The app also includes a search function for finding the closest stations, a leaderboard of the stations, and a widget for quick access to the app's features. Additionally, the app supports Android Wear and includes a community chat feature.

In summary, TElvira is a user-friendly application that provides comprehensive information on train, bus, and combined schedules for the Hungarian transportation system. Its simple interface, detailed results, and offline viewing capabilities make it a valuable tool for anyone traveling in Hungary.