How Did They Mess This Up?

So, the new update. They got it to be available on iOS 8, but, it doesnt play. I dont know if its just me but when I go to play a song, 35% of the notes are missing. It confuses me to no extent. Can you please fix this bug, so I can fully play the game?

sonicgirl10219 about DJMAX RAY by Neowiz