How can we show review rating on SERP using webmaster tool...and how the google webmaster useful for SEO..
Suggest some other tools which give me extra information about the SERP ranking.
There are several ways you can add review structured data to a page: Add a simple review. Embed a review into another schema.org type using its review property. Add ratings to your reviews. Add aggregate ratings.
That review on Google business listing is easy to add but wanna know to add starts & review on Google search terms. If you have seen that review or starts on Searches.