A free program for Android, by AllDict.
If you want to learn Korean or Thai or just need a dictionary, this app is the right one for you. It is free to download, and you can use it offline, which is very convenient for those who do not have access to the Internet or are on a mobile network with restricted access.
The dictionary is also an ideal learning tool for the beginner. It has all the most important words in the language, and it is easy to use, which makes it suitable for any level.