This app is a plugin. Prior to use it you should have
https://f-droid.org/packages/ch.blinkenlights.android.vanilla installed. Once both player and this plugin
are installed, request a context menu from library screen, select "Plugins" and
"Tag Editor" afterwards.

This plugin can edit metadata tags of the various music files and persist them
to the file being edited. Note that not all music files support storing tags in
metadata as this depends on format.

Also note that artwork fetching and pe