Hải đồ điện tử is a free Android application developed by Phung Kim Phuong that falls under the category of Travel & Navigation and the subcategory of Maps & GPS. It is a comprehensive and feature-rich app that provides you with all the necessary information to navigate the seas.

The app offers a wide range of functions, including displaying nautical charts, maps, and satellite images both online and offline. It also provides information about wind maps, ocean currents, and cloud satellite images. Moreover, it displays coastal maps, depths, landmarks, current buoys, and AIS of nearby ships. With this app, you can also locate, navigate, and calculate nautical routes, as well as save coordinates and view your trip history. Lastly, it displays the direction of travel, compass direction, speed, wave height, and air pressure.