Great app few issues
My boys love this app. It has been great at helping them develop their skills. Few issues though, when my son goes in to select a puzzle if he taps it twice (23mths and slightly impatient) it exits out of the program :( Also if he moves from one level to another he as to redo the lower level all over again. One by one. Otherwise, excellent program that both my boys enjoy. We have multiple apps from the developer as a result.