DOCAT is an Android application developed by Youcat Foundation gGmbH, available for free. It falls under the Education & Reference category and is a useful tool for those who seek solutions to the current problems of the world. The app offers a summary of the social teaching of the Catholic Church in an attractive and easy-to-understand question-answer style. It provides 36 questions and answers for free, and if you want to read all the questions and answers within the app, you will have to pay for it. DOCAT is approved by the Congregation for the Doctrine of the Faith in Rome and officially published by the Austrian Bishops' Conference. The app allows you to connect with other people interested in this topic, study the most important parts in depth with your friends, get inspired by the actions of others, and put your learnings into practice. With DOCAT, you can change society through the power of the Gospel and join the dream of the Pope to make the world a better place.