Marko PCT is a free Android application developed by mauk. It falls under the Lifestyle category and offers a simple QR code scanning feature. The application allows users to easily scan a QR code and display it to someone else.

The user interface of Marko PCT is simple and user-friendly. Upon opening the app, users are presented with a screen that has a large "Scan" button. Upon tapping the button, the camera is activated, and the user can scan the QR code. The scanned information is then displayed on the screen, and the user can show it to someone else or save it for later use.

Overall, Marko PCT is a handy application for those who need a quick and easy way to scan QR codes on their Android devices. However, it lacks advanced features such as the ability to generate QR codes or save scanned information to a database.