■ defect report - Training mode " white keys only ," " black keys only " is the situation that can not be only 10 questions . Now , please wait until the update because it is during the update application .
It is an application to train the relative pitch.
First you will hear the sound of C .
Please place your next sound sound .
Chord will be two notes at the same time .
Please against the difference in sound .
I have to be able to hide in the options for display advertising