The Kana Quiz v0.15

Added German support by Zenahr Barzani
Added more detailed question selection; by pressing and holding on the question selection screen, individual questions can be selected, rather than entire groups.
Added kun'yomi and on'yomi questions, which are enabled through the options menu
Added more details to the reference screen; by pressing and holding an item on the reference screen, more details on that particular item can now be viewed