Developer's DescriptionBy Crispy AppsHow much feeling do you have for music? Should the song be quicker or slower? Figure it out with "Speed it Up".How much feeling do you have for music? Should the song be quicker or slower? Figure it out with "Speed it Up". Select a song from your music library. When the songs start playing, you can speed it up or slow down by pressing the arrow buttons. You have 30 seconds to get the correct speed. a score of 100 means you selected the correct speed.