I think the method of learning is very good. You have everything in the overview, which notes you play, which you play with the left and right hand.
What upsets me over time is the fact that you can't play individual passages of a song repeatedly, but only the whole song, unless you play it back with the mouse. Furthermore, that you only hear what you play when learning one-handed. In my opinion, it would be nice to be able to switch the other hand, depending on the need.
In addition, you said that you also want to soon add the function to print the notes, after you have completed the app. I personally find this a must, because you only ever see a partial section of the notes.
Furthermore as a small suggestion. Divide the song into its individual parts, such as intro chorus main part bridge, etc. and then learn the song in conjunction with it.
MFG
N. Haas
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