An addon for MiXplorer file manager which tries to find and modify MP3 tag automatically by using acoustic fingerprint (Chromaprint).
3 requests per second for each API key! So you need to get a key from acoustid.org: https://goo.gl/t8ndYh
Export MiX settings > Open it in text editor and search for "custom_key_CHROMA":"xxxxx" > Change xxxxx with your Key > Save and Import the settings.
Download MiXplorer from XDA store:
Version 1.0 on 01.15.2018