價格：免費
檔案大小：2.7 MB
版本需求：需要 iOS 12.2 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Sound4 is a very fun sound memory game that tests how long your memory could last. It has unlimited levels starting from 1 to infinite. Not many may pass through the levels. Download this game to test your memory and see if it lasts long enough to reach the records. You will see 4 colors, you watch closely which of the color button changes, then you tap the changed color button, you need to follow the sequence the button blinks.
支援平台：iPhone, iPad