Can't remember your phone number?
Can't remember your postal code?
If you've had these experiences, you may be experiencing a decline in memory!

This is a simple but challenging brain training app for those who want to improve their memory.
By repeating it once a day for 30 seconds for a week, you can train your memory.

The rules are simple.
First, quickly memorize the numbers displayed.
Then, recall and input the numbers in order.

The numbers are not displayed for a long time.
Let's use visual memory to quickly memorize the numbers!

So, how many numbers can you remember?