價格：免費
檔案大小：28.3 MB
版本需求：需要 iOS 8.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：簡體中文, 英語
How about your observations, your attention, and your eyes?
What you need to do is pick out different products from the conveyor belt, and you can't let go of the subtle differences.
Three major scenes: toy factory, garment factory and food factory.
Dozens of products are waiting for you to distinguish.
Constantly upgraded, get the boss to appreciate!
支援平台：iPhone, iPad