Speak Japanese This app takes a functional approach to teaching Japanese. It teaches you only the phrases you'll need to travel. My Japanese friend says that the audio sounds like someone who is not a native Japanese speaker, however.

Human Japanese Lite This free version of Human Japanese is a great way to learn Japanese from a fun teacher with a sense of humor. It has animations of every character, spoken and written Japanese, a dictionary of Japanese words that are used in the app, games, quizzes, and more. This is the best Japanese language learning app! Useful!

JED - Japanese Dictionary Excellent Japanese dictionary that works offline. It has multiple translations (English/French/Spanish - Japanese) and many ways to search as well as many filters. Useful.

Learn Japanes Numbers >> Fast! This simple app does just what it says: you can learn all the Japanese numbers using it.

Japanese for Smart Keyboard If you use Smart Keyboard this will give you the Japanese key set and layout.