@AllofUs, since Robin didn't answer: he changed the default android font via a custom theme chooser. This has nothing to do with MySword.
For all German Users: I edited the German language file because I felt some words were not fully translated, hard to understand, gramatically incorrect or they simply took too much space. All together aprox. 200 Edits.
Attached are two examples, you can download the file here (copy it to the mysword/languages folder).
Edit: Updated translation according to new Mysword version.