Still has annoying effect when displaying an ad when the keyboard is displayed. If the ad is in portrait mode, then when the ad ends, the keyboard is displayed but various buttons will get dropped onto to white keys. Also do not appear to be able to turn off letters on keys when practicing, the setting can be changed, but is ignored until you exit training and enter the free play mode. Also audio often suffers from random stutters or pauses when playing or listening, but is random.