Royal's វចនានុក្រម កូរ៉េ-អង់គ្លេស-ខ្មែរ. Royal's 한영캄 사전. Royal's Korean English Khmer Dict ionary. App Name: Royal's HYK Dictionary "The most anticipated app for Korean learners, especially for Cambodian students. I think it is useful for word translation. Please rate and share it with your friends! ". Features: Offline 3 in 1 Dictionary.