Korean word always remember is the Korean / Korean word memory software under Android.
Korean / Korean word support, applications offline pronunciation library, most of you can pronounce the word without networking.
Word queries.
You can add a word to my favorites to advance to strengthen memory.
Thesaurus include
1. The primary TOPIK Korean Language Proficiency Test
2. Korean Language Proficiency Test TOPIK Intermediate
3. Korean Language Proficiency Test TOPIK Advanced