This App is based on GK.There are many types of questions.Some of them are so easy and some of them are so hard to answer.Most of the questions have hints to answer your question.You can answer the questions by typing or speaking.There are 5 questions in one round.By saying don't know you can skip the question.You can cancel the game and start it again.If you love the app then please give it a 5 star rating and write feedback to the developer.