This app is an app that can make a collection of questions on their own. Since there are two types of problems the form of a question description and selection question, you can solve the question in the quiz sensation. Image pasted to the question statement, because there are a variety of options, such as automatic generation of choice in the selection problem, you can customize the question to their liking. In addition, since there is also a text file ⇆ problem collection of conversion func