Installation:
- download plugin from link above
- extract the files into their own folder (calypso_extension.zip -> extension folder)
- in Chrome, navigate to chrome://extensions/
- now drag and drop the extension from your file manager anywhere onto the extensions page in Chrome.
Mobile app (Android v.8 or higher required)
Installation:
- download zip archive
- unzip file
- send Calypso.app file to Your Android device
- install app
Detailed instruction