A device running Tizen which has been codenamed Redwood GT-i8805 has been confirmed. Samsung did announce that we will see a Tizen device sometime in 2013. Here's some specs and facts that we know thus far about 'Redwood':

• LTE-enabled
• 720p display
• Cortex-A9 SoC

There isn't much to go on so far! But we will keep you updated!

Source GSMArena