O2 Car Control is a free Android app developed by Telefónica Czech Republic a.s. It falls under the category of Travel & Navigation and the subcategory of Public Transportation. The app provides all customers with active O2 Car Control services to access the application by entering their login information into the portal.

The app consists of five modules, each providing useful features. The first module, "Vehicles," displays detailed information about the vehicle, including tachometer alignment when locking units of the company. The second module, "Map," displays the position or route of one or more units. The third module, "Routes," lists the tracks of the vehicle business over the past 30 days, and you can view its details and edit the data.

The fourth module, "Overview," provides a list of all units of the company and their last positions. By selecting a unit, its details are displayed. Finally, the fifth module, "Expenses," allows you to enter expenses for refueling or other expenses for the vehicle.

Overall, O2 Car Control is a comprehensive app for public transportation with a user-friendly interface, providing all the necessary information and features for customers to manage their vehicles efficiently.