"Find the mistake" is an Android-based game that allows you to test your knowledge of the Russian language. The game has over 200 cards that require you to identify all the words with spelling mistakes. Some cases are relatively simple, such as checking stress vowels in the root. Others are much more challenging, from personal verb endings to tricky vocabulary words. Once you fill out the card, you will immediately see where you found and missed your mistake. After each round, you will receive a final score.

The game is a great way to learn and improve your Russian language skills. It's a fun and engaging way to test your knowledge and learn new words. The game is free and available for download on Android devices. Get started today and enjoy the game!