Русско-якутский разговорник is a travel and navigation app developed by TravelGuidance.ru. The app is designed for Russian-speaking tourists who are interested in learning the Yakut language or want to use it as a phrasebook. The app includes 17 logical topics with all Yakut words written in Russian letters.

The app allows users to take a test after selecting a topic, and they can view their errors. The app also saves the results of the test for each topic, and the goal is to learn all the words in the selected topic with 100% accuracy. The app provides a great start for learning the Yakut language, and it can generate an interest in users to learn more about the language's grammar, vocabulary, and syntax.

The app includes a wide range of topics, such as General Phrases, Introduction, Numbers, People, Time, Danger, In the City, Days of the Week, Months, Colors, Transportation, Driving, Bars, Travel, Accommodation, Food, and Shopping. Русско-якутский разговорник is a free app available for Android users.

Good luck with your learning journey!