Rio Typing is a Japanese iPhone game you can use to test how fast can type on the Japanese ten key keyboard. The goal is to copy whatever Rio is saying as fast as possible and the more levels you clear the harder it gets. Whenever you clear a level, the word or sentence is added to your collection for you to come back and listen to later on. Also worth trying is the practice mode which is basically a text field you can type in, but with Rio saying the characters you type. When you do this you can choose between normal, angry or sexy sounds and believe me, sexy mode is quite hilarious. Just imagine someone trying to read the alphabet out loud and being sexy at the same time.
The app is free and can be downloaded here. If this is your first time using the ten key keyboard you will have to add it manually in the settings (where you usually add international keyboards). And don’t expect to clear too many levels!