Yes. Android (linux) end of line character is chr(10). Windows end of line characters are chr(13) & chr(10).
You can change your code to:
Writer.Write("..." & chr(13) & chr(10))
Or you can download a more powerful text editor like notepad++ (highly recommended):
Notepad++ | 5.9
This editor knows how to deal with different formats and it also shows you the actual characters.