Use APKPure App
Get Music Tag Fixer old version APK for Android
Fix music tag texts
Convert and fix non-unicode music id3 tags to unicode.
You can select the encoding and songs, preview them automatically, then convert all in one tap.
You can select between safe mode or speed mode.
In safe mode, all files modified will have backup automatically, so you can recover it if something goes wrong.
In speed mode, this app will rewrite your music files without backup and checking, and is recommended for adept users.