Karaoke Vietnam: Hat Karaoke is the top-rated karaoke song finder app on the Vietnamese App Store. This multimedia application, developed by Van Duc Nguyen, is designed for iPhone users. The app works seamlessly on iOS 7 and later operating systems, offering a wide range of features for music enthusiasts.

Users can search for songs by their 5-digit or 6-digit codes, in both Vietnamese and English languages. Additionally, the app allows searching by Album Volume, alphabetical order, and provides a list of the most searched songs. Karaoke Vietnam also supports quick song search using keywords like initials, titles, opening lyrics, song codes, authors, and singers.

Moreover, users can create a personalized favorite songs list within the app. Karaoke Vietnam: Hat Karaoke is a free application catering to the Vietnamese audience, providing a convenient and comprehensive karaoke song search experience.