The KidyMindy app is aimed at developing the spatio-visual, logical, and critical thinking of children aged 6 and older, and it may also be of interest to adults. It presents visual, non-verbal tasks based on abstract shapes in a playful format. Our approach does not require the user to have reading and conversational skills, and this makes KidyMindy culturally neutral and language-independent. To represent the navigation and the logical hints, we have created an intuitive-visual language of our