Flexibility allows many different uses
With ToKToL, you can control the way you want to see the questions and choose exactly the topics that you want to learn. This means that there is an infinite number of ways you can integrate ToKToL into your learning.
You can use it for your homework, to prepare classes, to review courses or for revision just before an exam.
And if you are curious, you can also use it to learn a brand new topic.