價格：免費
檔案大小：13.2 MB
版本需求：系統需求：iOS 9.0 或以後版本。相容裝置：iPhone、iPad、iPod touch。
支援語言：英語
This is a mini-game that trains the brain's digital sensitivity. It will delete the numbers from the smallest number in sequence until all deletions are completed. Let ’s play together!
