Riviu is a free Android app developed by Rivico Ltd, designed for food and travel enthusiasts. It is the official mobile app for the "Thánh Riviu" community, which has over 400,000 members in Vietnam. The app is a one-stop solution for all those who love to explore new places and taste delicious food.

With Riviu, users can easily give feedback and reviews about trending locations, rate thousands of local merchants and restaurants with just a few taps, and win cash and voucher prizes every week. The app provides a platform for users to share their experiences and interact with like-minded people in the community.

The app is easy to use and has a clean interface. It allows users to search for places based on location, category, and rating. The rewards feature is a great incentive for users to share their experiences and provide feedback.

Overall, Riviu is a must-have app for foodies and travelers who want to discover new places and share their experiences with others.