A free app for Android, by Raamo Apps.

My Music Player – MP3 Player is an offline music player for Android that allows you to manage and maintain all your music files easily and quickly. This app is developed with an easy-to-use interface and supports various formats such as MP3, WAV, FLAC, RAW, AAC, etc.

The main screen displays your music files in the albums and folders, you can easily access to the My Music Player by creating a widget on the home screen. 

To create a new album or folder, click on the “New” button on the main screen. You can also edit the name of the album and folder by clicking on the “Edit” button.

The main screen also displays the playlists that you have created, you can easily access to the playlists by clicking on the “Playlists” button.