It is a basic music player that plays songs by folder. You can playback, pause songs, select repeat mode and toggle shuffle mode. You can use equalizer, ab repeater, sleep timer in the menu in the right top. You can set auto resume, headset related functions and so on in the settings. Notification help you to control playback state. You can control that on the lock screen. All interfaces are simple and you can easily use this. Send me email if you have any questions or you have problem to use this app. [email protected]