彩虹儿歌 app for iPhone and iPad 4.2 ( 112 ratings ) Education Developer: Yayun Cui Free Current version: 1.0, last update: 7 years ago First release : 28 Jul 2015 App size: 17.18 Mb 本应用针对儿童教育,可以播放儿歌音乐和视频,可以搜索音视频。