Hello钢琴课 app for iPhone and iPad 4.8 ( 6768 ratings ) Education Developer: 珠江埃诺 Free Current version: 1.1.1, last update: 4 years ago First release : 30 Aug 2017 App size: 149.32 Mb Hello钢琴课是珠江埃诺多媒体互动课程的配套课后练习app,让孩子通过app巩固乐理知识,训练视唱练耳,曲目弹奏练习,学习有趣,不落进度。