ProZhar's app is a game designed to help users learn Ukrainian. The app is available for Android and is free to download. The game offers three different types of games to its users, including One Mistake, For Evaluation, and Errors.

In One Mistake, the game continues until you make a mistake. For Evaluation, users will answer 12 questions, and they will get an assessment of their performance. In Errors, users can fix all the words in which they made mistakes in previous games.

The app is an excellent tool for those who want to learn Ukrainian, and the games are fun and engaging. The user interface is straightforward and easy to use, making it accessible to all users. Overall, ProZhar's app is an excellent choice for anyone who wants to learn Ukrainian in a fun and engaging way.