The Audio Tagger app is a free Android app for tagging music. The app starts up exactly by saying which audio formats it can use as: mp3, mp4 audio (m4a, m4b and m4p as well as ogg, flac and wma files. From that menu on, you can either search or browse through your files. After clicking the song or songs you want to tag, you can edit: the title of the song, the name of the artist, the title of the album, the year of release, the track number, the genre, the comment, the disk number, the composer, the artwork and you can also see the format, the channel number, the encoding, the bit rate, the sample rate as well as the track length. It also has quick options for: assigning the value of the name of the song to the name of the file, same from file name to tag and also remove tags. The preferences are as follows: sequential batch tagging, smaller album art (150 px), file sorting, hide non-audio files, file list ellipsize position and select home/start directory. The Audio Tagger app is a really useful app that you can use to edit your tags fast, especially with some unique features.