A leaked document from big box retailer Best Buy, shows that the Android 4.3 update, which has recently rolled out internationally, will soon be coming to U.S. versions of the same model; popular devices like the Samsung Galaxy S4, Samsung Galaxy S4 Active, Samsung GALAXY Note II, and the Samsung Galaxy S III will all support Samsung's Galaxy Gear smartwatch once each device gets updated to Android 4.3...
Source: http://www.phonearena.com/news/Leak-shows-when-Galaxy-devices-will-get-Android-4.3-in-U.S.-30-return-rate-for-Galaxy-Gear-watches_id48731
Source: http://www.phonearena.com/news/Leak-shows-when-Galaxy-devices-will-get-Android-4.3-in-U.S.-30-return-rate-for-Galaxy-Gear-watches_id48731