Google Korean Input
This app lets you query Google in Korean by text or voice. Recommend!
Learn Korean Phrasebook
This app has over 200 Korean phrases for Enlish-speakers traveling in Korea. It has English text, audio recordings, and Korean text. Very quick and easy to use. Recommend.
Translate from over 50 languages into Korean!
Korean for Smart Keyboard
This is the key layout and dictionary in Korean for Smart Keyboard. Works like a charm!
English – Korean Dictionary
The best English-Korean Dictionary for Android. Contains audio recordings and over 94,000 entries.