Hello 
, hope you’re doing well, so I’ve been using Hanzi Hero for a little bit now and find it very well designed, as a new user I thought a great feature would be the ability to enable and see pitch contour lines over vocabulary as it adds another visual element. That’s all, thank you
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Welcome to the forum and thanks for the kind words!
Would you mind giving an example as to what you have in mind?
It seems like it would be hard to squeeze into the interface, depending on how much y-axis is needed to properly denote the pitch 
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