A free program for Android, by TopOfStack Software.

English Yoruba Dictionary is a free, offline dictionary app that helps you learn the English language and find translations in real-time. The app can also be used to search the Internet for relevant information in the most convenient way.

If you want to search for a word, just select it from the drop-down menu and it will give you a variety of translations and synonyms. You can also add words to your study plan and remove words from your study plan by using the options in the top right-hand corner. The dictionary will also provide you with an option to turn off auto-search, which will allow you to type in less time.

The app will also allow you to add words to your favorites list and view them later on.