Oreo is a popular cookie brand that consists of two chocolate cookies with a cream filling in between. The name Oreo comes from the Greek word oros, which means mountain, and refers to the idea that these cookies are "mountain-sized."
Since it's an update to the app itself, any watches that have received the Android Oreo Android Wear update should be receiving this update. (digitaltrends.com)
It also mentions the timeline for Android Oreo update of Samsung's several other smartphones including Galaxy A7 (2017), Galaxy A5 (2017) and Galaxy A3 (2017) as two - year old Galaxy S7, Galaxy S7 Edge. (indianexpress.com)
No big deal here too, the phone runs on near stock Android Nougat 7.1.1, with a promise of Oreo update in the first quarter of 2018. (suggestphone.com)