At the end of the FAQ list you find all manuals and downloads.

We recommend loading the provided .mid files into your DAW and play them back to your device using standard MIDI playback at 60bpm. Note that this procedure doesn’t work with Ableton Live or Bitwig, please use a different DAW or your system’s standard media player.

You can also use our tool Spectre which can be found in the column on the right side as well.