You can cycle through the hiragana/katakana in consecutive order or in random order. Random mode will use each hiragana/katakana only once for each cycle of the set. You may choose to have the hiragana/katakana or the letters displayed first. The answer is displayed until you release the button, then it moves to the next question. Scrolling through the hiragana/katakana in consecutive mode will not interrupt your progress in random mode.