價格：免費
檔案大小：29 MB
版本需求：需要 iOS 11.4 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
MusicalExpress is an App for everyone to lighten up your moods.
MusicalExpress uses Apple's face recognition feature to check if you are smiling. It plays a music if you are happy and asks you to cheer up, when you are not smiling.
If you do not want to face camera, then you can always choose the emoticons and enjoy the music too!!!
支援平台：iPhone, iPad