We have released a new application. We hope you will give it a try. https://play.google.com/store/apps/details?id=com.markn.BlueLightFilter
Ver.10.7 Compatible with Android 14
Ver.10.6 Library Updates.
Ver.10.4 Added support for importing playlists created in the Poweramp app. Changed the model so that it can be imported if the folder structure is the same even if the model is changed.