Karasawa - Video Player is an Android app developed by Kisaragi Millennium, available for free on the Google Play Store. This multimedia app is designed for users who want to play videos and music while using other apps or turning off the display.

The app includes only the most commonly used features, ensuring a smooth video playback experience. Users can repeat, shuffle, set a sleep timer, and create playlists. The UI lock, orientation, continuous playback, background playback, and slow down/double speed playback (Android 6.0+) are some of the other features available. Users can also flip the video horizontally and adjust the brightness and sound volume.

Karasawa - Video Player has a unique feature that allows users to customize the app's colors, with over 100 million combinations to choose from. The app is free and unlimited, and users can control playback from the notification area or earphones. However, the app does have in-app purchases to remove ads and enable the equalizer. Additionally, the app requires access to device ID and call information for pausing during incoming calls, and access to photos/media/files for reading files.

Overall, Karasawa - Video Player is a simple and effective app for Android users who want to watch videos and listen to music with ease.