There was a time when Samsung believed its home brewed Tizen operating system would rise up and usurp Android as the king of mobile, or at least be a competitive force. Things haven’t worked out that way, and though Tizen has gone on to fined renewed purpose in things like smart TVs and wearables, it’s still being used in smartphones, including

Source: Hot Hardware – Samsung Z2 Becomes First Tizen-Based Smartphone With 4G Capabilities