The evergreen feature is part of the BlinkMobile Buildbot CLI.
To use Evergreen, there are a couple of prerequisites:
Buildbot CLI
Before you start, ensure you have installed the Buildbot CLI. There are no seperate installation steps.
Cordova Project
To use the Evergreen functionality, it is best to already have completed a standard Builtbot Build so that you have your Cordova project completed, and have produced an app that works as expected. This will ensure you have a good foundation on which to add Evergreen functionality.
Next Step
Adding the Evergreen Cordova Plugin