Tizen 3.0 will be released in March of 2014 and according to rumors a reference Tizen smartphone will be released in July in Korea. "ICT Conference 2013" will be held on the 4th of July in Seoul Korea within this seminar aimed at local start-up companies Samsung are to introduce OS Tizen , a discussion of the Tizen 2.1 SDK and Tizen eco system as well as the Tizen Store , major features , selling office and provided services.
Within Korea industry sources reveals that Samsung plans the release of a Tizen 'reference' device at this event. We're not sure as of yet if this is the Tizen RD-PQ Galalxy S3 version or if a newer version is to be unveiled. Which could be Tizen running on the Galaxy S4.
Source Tizen Indonesia