Öffentlicher Dienst - Karriere is a free Android app developed by Plakos GmbH to help job seekers prepare for their upcoming entrance exams and tests in the public sector. With the help of this app, users can improve their cognitive abilities and gain knowledge of the public sector. The app offers courses for various professions such as police, army, customs, fire department, railways, LPA test, civil service test, tax office, foreign office, and many more.

The app provides a structured approach to learning and displays the progress of the users. It offers solutions and detailed explanations for each task, along with real-life experiences of previous applicants. The app is designed and developed by educational experts at Plakos GmbH, a leading portal for tests and career-related information. However, some of the app's contents are only available to members or require payment.