Could be great BUT AWFUL!!! – Numix - The puzzle of numbers and sums Review

Gave a 1 because I couldn't give a lower number, VERY DISAPPOINTED!!! I began punching numbers in on the training and I hear the clicking sounds but nothing changes. I tried to join one of the games and it went to explanations about it and no further. Uninstalled and reinstalled, same thing!! Uninstalling for good this time, fed up!! Too bad because it looked like a good game and by the way, not my phone's fault so don't try that one! iPhone 6plus. IOS 9.3.1.
Review by Ncmtwester Neg. 5 Stars!!! on Numix - The puzzle of numbers and sums.