Returnstar Feedback Genius is also named Digital Interactive Teaching and Evaluation System or Telecontrol Electronic Voting System. It is a new-fashioned interactive demonstration and voting system that can effectively combine the function of class teaching, conference demonstration, class testing, poll voting, games entertainment, teaching evaluation, and outcome statistic together, and realizes interactive teaching or demonstration in classes and assembly rooms equipped with a computer, which is impossible in conventional class or conference. It also can automatically check, reckon and generate various forms.