This app was mentioned in 6 comments, with an average of 1.17 upvotes
I mean you could download a simple text editor in the play store and copy the file over.
Edit: Something like this.
Did you try Text Editor?
https://play.google.com/store/apps/details?id=com.byteexperts.texteditor
Hope this helps - https://play.google.com/store/apps/details?id=com.byteexperts.texteditor