Characteristics:
- 600 questions with explanations.
- Practice Mode: fast or normal.
- Progress bar and ability to choose or not choose random questions.
- Exam Mode, a real simulation of the official exam: 60 questions in 60 minutes.
- Statistics and charts so you can see your progress.
- Achievements unlockable as you progress in your training.
- Good customization of settings to make it more user-friendly.
- ... and much more!