PSAT Trainer is Android Application for preparing PSAT Exams with most efficient way. Practise test from the most easiest question to the most difficult questions. Learn from mistakes. Compare your knowledge with other people. Features: - difficulty level information in each question. - automatic adjustment on difficulty level based on usage statistics. - 3 standards test mode based on difficulty level: easy (for beginner), medium, difficult(for expert). - 1 adaptive test mode. - Hall of Fame, compare your score (knowledge) with other people. - Review latest test for incorrect answer. NOTES: All test material are contributed by our users. Some of submitted test might contain defects (incorrect key answer, miss-spelling, etc). It requires other user's contribution to fix them. Please use feedback menu or contact us to fix them. 更新内容： 为您优化了体验细节。