AWS IoT Greengrass Core 1.9.3 is now available. With this release, AWS IoT Greengrass adds support for the ARMv6 architecture and new machine learning inference capabilities.  

from Recent Announcements https://aws.amazon.com/about-aws/whats-new/2019/09/aws-iot-greengrass-1-9-3-with-support-for-armv6-and-new-machine-learning-connectors-now-available/