I'm not sure I understand the question here. While using social media and providing good content can definitely boost search rankings, there isn't a specific platform that can be used that will guarantee this. Can you get us more details on what you are trying to do specifically?
Social media platform is not soo helpful as SEO to rank your website top in the SERP. But definitely it will help you to boost your website traffic. By using social media signs and sharing your contents through social media platforms you can definitely get more response.