Voivodeships of Poland is an educational and reference app developed by Krzysztof Osiak. It is available for Android devices and is free to download. The app aims to help users learn more about the voivodeships of Poland through a series of quizzes.

The app features six quizzes, including a normal mode and a timer mode. In the normal mode, users are asked to enter the name of the voivodeship for its emblem, the name of the voivodeship for the area indicated on the map of Poland, and the name of the capital of the voivodeship. In the timer mode, users are also asked to enter the same information, but with a time limit.

One of the unique aspects of the app is the use of coins that users can earn for correct answers. These coins can be exchanged for tips to help users answer questions they may be struggling with.

Overall, Voivodeships of Poland is a great app for anyone looking to learn more about the voivodeships of Poland. Its quizzes are engaging and challenging, and the use of coins adds an extra layer of motivation for users to improve their knowledge.