Feedback tools are any devices or applications that can help you to generate, collect, analyze, or present feedback. These tools can be useful for improving memory retention because they give you immediate, specific, and personalized feedback that can help you identify and correct mistakes, reinforce knowledge, and motivate you to keep learning. Examples of feedback tools include flashcards, quizzes, and feedback games. Flashcards have a question or term on one side and an answer or definition on the other side. They can be used to test yourself on the information learned and apply the spacing and testing effects that are proven to increase memory retention. Quizzes are short tests with multiple-choice, true-false, fill-in-the-blank, or matching questions. They can be used to assess understanding of key concepts and facts learned as well as apply retrieval practice for memory retention. Feedback games are interactive activities that have feedback elements such as points, levels, badges, leaderboards, or rewards. They can be used to practice skills and knowledge in a fun and challenging way while stimulating curiosity, interest, and enjoyment in the learning process.