Exercise your brain 3 times a day ! Level up your brain score !
Put yourself in the shoes of a sales assistant who's cash machine just broke, OH NO! you need to count the products in your head!
Remember to keep an eye on repeating products !
Last updated on 2022年02月20日
此版本包含小幅错误修复和常规改进。请更新至最新版本，以获得更佳体验。
