⭐⭐ Fully compatible with Galaxy Watch 4 ⭐⭐ ♣ Study Flashcards on your brand-new smart watch! ⌚ Check the time and cards at the same time on your wrist. Using "Always on Display" mode, the cards change every 5 minutes, allowing you to memorize cards throughout all day. ♣ Memorize it like magic! Take a quick look and choose when to review. When do you think you will forget? Tomorrow? A week later?..