https://gapp.yipee.cc/2797/%e3%80%90android-app%e3%80%91jotterpad-%e4%bd%9c%e5%ae%b6%ef%bc%8c%e5%8a%87%e6%9c%ac-%e5%b0%8f%e8%aa%aa%e7%b7%a8%e8%bc%af%e8%bb%9f%e9%ab%94