This looks great, see you at the ICO. :)
The concept of food rather than the restaurant being the main focus is fantastic!
As @mastaz has mentioned, how do you intend to police the review manipulation that other review sites/apps are prone to having?
Sorry for late answer... Maybe this could help little bit https://www.mumbrella.asia/2017/10/is-blockchain-the-answer-to-marketings-transparency-crisis