A free program for Android, by TEAC CORPORATION.

The TEAC HR Audio Player is a high-quality music playback app that meets the requirements of music fans who want to enjoy music with high-quality audio even when using their smartphones by supporting playback of high-resolution formats.

Music fans who use their smartphones to listen to music can enjoy high-quality audio with the app by connecting a compatible TEAC USB-DAC, which allows for native playback of high-resolution formats like DSD and FLAC. 

The audio player can play MP3, AAC, AC3, WAV, WMA, OGG, and other formats. You can also enjoy the audio as a PCM, DSD, or FLAC file and use the built-in equalizer to get the most out of your music. The app can play up to 16,384-folded Bands with a graphical equalizer that allows you to adjust the sound to your taste. 

You can also create up to 1000 custom equalizer curves to save and load for later use.