Add Speaker's notes to Miracast
The file can be a plain text file. Then each note should be delimited by the tags <page=#> (where # is the n° of the slide, starting at 1) and </page>

It can also be an html file from Google Drive Presentation. To get it :
- Open your Google Drive Presentation (from a desktop browser). Your should have write your Speaker's notes in your presentation.
- Click on View --> Html View (or Ctrl-Alt-Maj-H)
- Right-Click --> Save as... then save your file.