ProfileTimer

いつでもどこでも、お使いの端末で何百万もの最新の Android アプリ、ゲーム、音楽、映画、テレビ番組、書籍、雑誌などをお楽しみください。

You don't have to remember to switch your phone to normal mode after switching it to silent during the meeting.

Your phone will do it for you.