MERSİN33 KART is a free Android app developed by Mersin Büyükşehir Bld, designed to provide a hassle-free experience for public transportation in the city. With this app, you can easily check your transportation card balance and add funds to it. Additionally, the app offers a virtual card feature, allowing you to create your own transportation card and board public transportation vehicles using your phone's QR or NFC capabilities.

The interface is user-friendly and easy to navigate, making it simple to manage your transportation card. The app is highly convenient, as you no longer need to worry about carrying a physical card around with you. Overall, MERSİN33 KART is a reliable and efficient app for those who frequently use public transportation in Mersin.