Fast Memory - Training fun app for iPhone and iPad

[Introduction]
At the beginning, a number will appear at the bottom of the main interface, which represents the number of numbers you want to remember this round. When you are ready, click it, and the interface will display the numbers you need to remember at random locations. You need one second Within, remember all the displayed digital information. Then after the numbers are hidden, find all the numbers in ascending order.
If you are in the process of searching and reverse the order of the numbers, this round will fail. You need to restart the memory.