I've seen a similar one called Kids Story Builder app. This one you've suggested looks more advanced. Could be good for my Literacy assignment! Thanks.
Misconceptions might also be referred to as preconceived notions, non-scientific beliefs, naive theories, mixed conceptions, or conceptual misunderstandings. Basically, in science these are cases in which something a person knows and believes does not match what is known to be scientifically correct.
This blog is aimed at Early Childhood Teachers in Australia and should be very informative. The post about equity and equality being very different could be interesting for all.