This is the initial release of the refactored and updated Gamepad Navigator.
For more information on the new release, check out our demonstration videos on YouTube.
You can install the latest published release on the Google Web Store.
If you want to run this specific version, you can download the attached ZIP file, unpack it, and load it under "Manage Extensions", "Load Unpacked Extension". (You'll have to be in developer mode.)
You can also check out the repository, check out the tag associated with a release, and follow the installation instructions in the repo's README file.