價格：免費
檔案大小：16.7 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 app makes it easy for businesses, schools, and local governments to let people know the rules before they arrive, and to know whether people are agreeing to the rules.
