關於「Focus app」標籤，搜尋引擎有相關的訊息討論：

Focus Taiwan - CNA English New - Apps on Google Playplay.google.com › store › apps › details › gl=USFocus Taiwan - Google Play 應用程式play.google.com › store › apps › details › hl=zh_TW › gl=USFocus Taiwan - CNA English Newsfocustaiwan.twFocus UI component - MATLAB focus - MathWor