APKPure Appを使用する
Entrance Helperの旧いバージョンをダウンロードすることが可能
改札口を使用せずに学校に入学した生徒をマークします
An application for students and teachers that allows students to generate a QR code, and teachers to record students who entered the school using the received code.
By the way, so that the names of students are displayed when in the water, you can import a database with QR codes in excel format into the application.
(card id, full name, class).