This app was mentioned in 3 comments, with an average of 1.00 upvote
There's this for android
https://play.google.com/store/apps/details?id=com.freedomlabs.tagger.music.tag.editor
I always use this app: https://play.google.com/store/apps/details?id=com.freedomlabs.tagger.music.tag.editor
It automatically finds all the info about a song also album covers!