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Win is a vocabulary learning app whose quiz mode uses distinct visual animations to deliver immediate, unambiguous feedback, green glow for correct answers, red shake for incorrect ones, creating a memorable learning moment with every question The green highlight on a correct answer button does more than confirm success; it briefly pauses the quiz to let the correct pairing sink in, associating the word and answer visually in a way that plain text confirmation never achieves. The red shake animation on a wrong answer is deliberately attention-grabbing. This mild negative signal, the button vibrating with a red flash, creates a micro-moment of surprise that research shows increases memory encoding for the correct answer that follows. Critically, when you choose wrong in Win's quiz mode, the correct answer is always revealed immediately, so you never leave a question uncertain about what the right response should have been. Every wrong answer becomes a direct learning opportunity. These feedback animations happen consistently with every question across all 8 built-in decks, creating a predictable and effective learning loop that makes quiz mode not just a test but an active study tool.