"Чешский Плюс слова и фразы" is a free Android application developed by Oleg Kuznetsov, falling under Education & Reference category. The application offers a comprehensive approach to learning Czech language through eight sections, including "Learn the word," "Writing the word," "Make up sentences," "Listening," "Dictation," "Pronunciation," "Tests," and "Games." It includes 75 pronouns, 300 most used words, 50 basic verbs in the infinitive, numerals 135, 50 phrases for beginners, 200 phrases from exercise, and 60 idioms. The learning process is based on tasks, and the user gets a gold star upon completing each task. The application allows users to create their own dictionaries and tests on subjects of their interest and add them to the application. The speech synthesizer is built-in, and the user can control it through the system settings of their Android device. The application is an excellent choice for those who want to learn Czech effectively.