why key squares

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Avatar of razi979

whenever I take back any move from learning lessons it automatically shows the mey squares. After this u can easily see the next move. Is there any option to stop permanent showing mey squares.??

Avatar of Playful_Tiger

I don't think that's supposed to happen, sounds like a bug

Avatar of razi979

I am using the android app. It happens with this app. 

Avatar of razi979

When u make a wrong move and take it back, than it appears