Characteristics:
- More than 1,000 questions with explanations.
- Practice Mode: fast or normal.
- Progress bar and ability to choose or not random questions.
- Exam Mode, a real simulation of the official exam: 65 questions in 90 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!