View subway maps for , Changchun, Changsha, and other cities. Zoom in with double clicks. Move map with one finger slide. Fullscreen view with one click. Navigate stations and routes. Check schedules and transfers. Save maps for offline use.
Monitor takeoff performance by comparing actual data to planned values. Input runway takeoff distance available, takeoff roll, and stopping distance. View real-time feedback on aircraft performance during takeoff events.
Register and make international calls using Wi-Fi or 3G/4G. Dial 00 followed by country code and phone number. Set up account with username and password. Supports uninterrupted calling with low cost rates.