recently I've found Best Kids Dots- app for my children, so they can discover new shapes and sizes. for us it's fun but is it really educational, what do you think?
https://forums.androidcentral.com/e...tails?id=pl.netigen.dots&hl=en&token=jg_kKwZk
https://forums.androidcentral.com/e...tails?id=pl.netigen.dots&hl=en&token=jg_kKwZk