價格：免費
檔案大小：22.1 MB
版本需求：系統需求：iOS 8.0 或以後版本。相容裝置：iPhone、iPad、iPod touch。
支援語言：英語
An interesting game to test reaction and eyesight. Everyone can play and learn in one second, but good grades are not so easy to achieve. Use all your eyes and muscles to have a stimulating percussion!
