Download Gray zone apk 1.0 free for Android smartphone
Apk file size: 1.1 MB
It is a game that relies on tapping the color that will appear on the exam from the gradient from white to black.
I may be able to forge a sense of color.
Androwk part of our Educational and have average installs from 500 to 1000. Last Update Aug. 20, 2012. Google play rating is 68.0. Current verison is 1.0. Actual size 1.1 MB.
Pretty nice app Very simple, you are matching colors. The language is not English but its pretty easy to figure out what's what.