Decision version of the zip code search app that examine the easilyzip code with a simple operation! ! This app I can also be used inany place offline!

First, please check the tutorial and learnhowto play this app.It's very easy to play!At first, you'll see four colors with four numbers that arechosenrandomly.And on the next screen, only the one of those colors willbeshown.Then you just need to answer the number that was related tothecolor.When you score high enough, then you can choose the difficultyofthe game. Please enjoy and challenge to complete all levelswitheach difficulties!At first, it may feel difficult to play. But if you playthisgame everyday, it'll be easy for you to play at somepoint.That may be the moment that you feel how your brain changedtoimprove its condition.