B12 Educator B12 App生產應用2019-04-11 價格:免費更新日期:2019-04-11檔案大小:21M目前版本:2.1.4版本需求:Android 4.4 以上版本官方網站:http://www.b12app.comEmail:info@b12app.com聯絡地址:隱私權政策Application to help Educational Organizations to communicate easily with parents and staff