Vietnamese 1000 Words helps you master the most essential Vietnamese vocabulary through smart flashcard practice, quizzes, and audio learning. KEY FEATURES: • 1000 Essential Words — High-frequency Vietnamese vocabulary in 25+ categories • Spaced Repetition (SM-2) — Optimal review scheduling • Multiple Quiz Modes — Multiple choice, listening, spelling • Tone Marks — See proper Vietnamese diacritics • Sleep Mode — Background audio with screen locked • Auto-Play — Hands-free review • 7 Translation Languages • Offline — No internet required • Progress Tracking — XP, streaks, levels Download now and start learning Vietnamese!