Official application of Vietnamese Card - One National Card, built and developed by VietSens Technology Group. The application provides functions and utilities for Vietnamese Card users, such as:
- Register to open a card: Open a card for yourself and issue a card for others
- Recharge: Recharge phones, recharge other people's cards quickly and easily
- Bill payment: Payment for services such as electricity, water, internet, ...
- Contributors: Participate and accompany the development of the Card with the One Country Card program

And many more features....