Tiếng Hàn Giao Tiếp - Ngữ Pháp is an Android application developed by InnovationApps that aims to help users learn basic Korean conversations and grammar. It is a free app under the Education & Reference category and contains over 4000 basic conversation dialogues with Vietnamese translations. The app is perfect for those who plan to travel, study, or work in South Korea. It covers 54 conversation topics, including the Korean alphabet, greetings, time, numbers, directions, locations, shopping, food, emergencies, dating, family, and more. Moreover, it has a feature for recording and listening to dialogues, as well as a slow-read function to help users understand the pronunciation better.

One notable feature of this app is the inclusion of a quiz to test users' vocabulary and improve their reflexes when learning Korean. Another advantage of this app is that it does not require an internet connection, making it accessible anytime and anywhere. Overall, Tiếng Hàn Giao Tiếp - Ngữ Pháp is an excellent app for beginners who want to learn Korean conversations and grammar, and it is a must-have for those planning to visit or work in South Korea.