Sleepy Lullabies is a free multimedia application developed by OSP System for Android 9.0. It offers a selection of old and well-known lullabies and Slavic world music. The application allows for continuous playback and timer setting, making it perfect for parents who want to soothe their children to sleep.

With Sleepy Lullabies, users can enjoy a wide variety of lullabies from different cultures, including soothing melodies and comforting sounds. The application is user-friendly and easy to navigate, making it a great tool for busy parents.

The continuous playback feature allows for uninterrupted listening, while the timer setting feature allows users to set a specific time for the application to stop playing. This feature is especially useful for parents who want to ensure their child falls asleep before the music stops.

Overall, Sleepy Lullabies is a wonderful application for parents who want to provide a peaceful and relaxing environment for their children. With its selection of old and well-known lullabies, continuous playback, and timer setting, it is a must-have for any parent with a young child.