What color are the letters? (Play & Learn! Series) [U-Kids] for iOS

This is "What color are these letters?" from the "Play and Learn!" series.This is an app in which you tell what color the letters in the question are by selecting from among the displayed answers.Do your best to answer in as short a time as possible.The ranking is done in order of high score and fastest time.Play with a friend or have a showdown between parent and child.