Check out Word Circle (동그라미) - a Korean vocabulary game. It's available on Android and iOS.
Android update including pronunciations, search in English and verb definitions
Pronunciation breakdowns are now available. If you are learning Korean type in any word and see a breakdown of how each consonant and vowel is pronounced. Examples: 국물 or 소리
It is error-prone to convert from Romanized Korean back to Korean so that feature is not supported. Try finding the Korean text and paste it in to get the pronunciation.