I am a music lover and when i wanted to learn piano so i found this app i learnt to and recognized note C,D and E only but when i learnt note E i am playing it correctly but this app Simply Piano is unable to recognize the note E which i am playing i can't be stuck with this note all the time i want to learn piano and there is nobody to teach so i downloaded but do not download it waste of internet and time learning with Simply Piano had a horrible experience.