Gyorgyi Kerekes

你是否厭倦了在屏幕上輸入文字？放棄藍牙配件，用紙吧！只要在紙張上列印出PDF文件，並用它作為一個鍵盤。如何？把你的手機放在紙上標示的位置，接著魔術發生：手機的攝錄鏡頭以先進的運算法檢測到你的手指。 •

Have you ever played piano on a piece of paper? Just print out a PDF file, put your phone on the pap

Free today with ‘App of the Evening’. Download ‘App of the Evening’, and every day discover one paid

Have you ever wondered about how much distance have you covered or whether your pedalling movement i

你是否厭倦了在屏幕上輸入文字？放棄藍牙配件，用紙吧！只要在紙張上列印出PDF文件，並用它作為一個鍵盤。如何？把你的手機放在紙上標示的位置，接著魔術發生：手機的攝錄鏡頭以先進的運算法檢測到你的手指。 •

Have you ever wondered about how much distance have you covered or whether your pedalling movement i