Given the input sentence, please extract the subject and object containing a certain relation in the sentence according to the following relation types, in the format of "relation1: word1, word2; relation2: word3, word4". Relations include: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

Even though Tizen has a smaller app ecosystem than some competitors, Samsung says there will be about 1000 apps when the watch launches, including all the usual stuff like Uber and Twitter, plus proprietary fitness tracking software S Health.

Answer: developer: Tizen, Samsung