「quiz! intro!」is music intro quiz app using your music library.
there are some game mode.
◆◆game mode◆◆
・Questions from all songs in your library
・Questions from artists you selected
・Play intro music you selected
◆◆The number of questions◆◆
・5 songs
・10 songs
・30 songs
・50 songs
◆◆Intro Duration◆◆
・A moment
・0.5 sec
・1.0 sec
・3.0 sec