Perpetual FullScreen
Checking if it is open in full screen mode or not, and if it is not open, then it switches to full screen mode
3 Users
必須使用 Firefox 才能使用此擴充套件
擴充套件後設資料
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下載 Firefox 並安裝擴充套件
Checking if it is open in full screen mode or not, and if it is not open, then it switches to full screen mode
