PCTT is a free social and communication Android app developed by NetPlus Corporation. The app aims to provide users with information about natural disaster prevention and response. It is specifically designed for people living in Vietnam, as it follows the guidelines of the National Command on Natural Disaster Prevention and Control.

With PCTT, users can access various features, such as weather forecasts, natural disaster warnings, and emergency contacts. The app also allows users to report incidents related to natural disasters and share their location with others. The interface is user-friendly and straightforward, making it easy for anyone to navigate.

Overall, PCTT is a useful tool for those living in Vietnam who want to stay informed about natural disasters and how to stay safe during them. The app provides essential information and features, all for free.