Does the Arlo Go 2 work with HomeKit, Alexa, and Google Home?
The Go 2 is a 1080p battery camera with LTE and Wi-Fi and a microSD slot.
It suits Google Home and Alexa users, with native support through the maker's cloud. Home Assistant users reach it through an integration (the maker's cloud).
Limited: Unofficial cloud API access; Arlo can break it at any time; Requires two-factor authentication through an email or push channel; Not a core integration; not reviewed by Home Assistant[2]
How the device gets into the platform on this route. The headline is the best route: local before cloud, direct before bridged, core before community. The methodology page lists every level.