"Google's Wear OS 4 introduces game-changing features for Android watches."
Wear OS 4, announced at Google I/O, will introduce a backup and restore feature that will allow users to easily switch between Wear OS devices without having to factory reset each time. The update will also bring battery life improvements, improved accessibility features, and a new Watch Face Format for easier watch face creation. New apps, including WhatsApp, Gmail, and Google Calendar, will also be available on Wear OS.