"Кому на Руси жить хорошо" is an Android application that presents a historical and cultural poem. The poem follows seven heroes on a quest to find a happy person in Russia. Throughout the journey, the poem displays various scenes from the daily lives of people from different social classes, their struggles, and simple joys. The poem is a beautiful representation of the search for truth in the Russian society of the time.

The application is free to download and use. However, users should note that there is advertising present in the app. Overall, "Кому на Руси жить хорошо" is a great application for those interested in Russian culture and history.