It is an application program to master the operation in the full keyboard mode of iPhone.
The problem is with the beginner's class, the middle class, and the class, and, in addition, has divided into English and Japanese.
English and both beginner's classes and middle classes prepare each of 500 words and higher ranks in Japanese by 100 words.

Only because it switches to Japanese on a set screen and the application program is reactivated, it becomes a Japanese screen though the language of the application program is default and English.

The direction of the number of displays and the screen of the time limit, the Miss frequency(It becomes game over when exceeding it), and the type record can be set on other set screens.

Moreover, because spelling the Roman alphabet can be set, it is possible to type without the stress by the thing changed to spelling usually used.

Source: http://itunes.apple.com/us/app/master-typing/id372388355?mt=8