PROSTO is a knowledge base application by Burger-King, where employees can share their experiences, knowledge, and opinions on relevant topics while discussing the company's key projects. The Android application is free, and it provides an intuitive and straightforward interface for searching information, asking questions, and personalizing content.

The app features a search engine that allows users to find information by questions, answers, topics, or people. It also includes voice search, which facilitates finding the necessary answers by using the company's standards and guidelines. Users can ask questions and get expert advice if they don't know who to turn to. Additionally, the app offers a personalized feed where users can subscribe to specific topics, questions, or colleagues to read only what interests them.