京勇小信 app for iPhone and iPad 4.6 ( 256 ratings ) Education Developer: yong wu Free Current version: 1.6.1, last update: 6 years ago First release : 20 Feb 2017 App size: 8.39 Mb 京勇小信致力于学校通知管理,让老师和家长一起来关注孩子成长