把手机当 PC 第二屏幕，全屏播放时仍可操作其他窗口

来源证据

开发者自述因单显示器全屏播放时 Alt-tab 会打断内容，又不愿购买第二台显示器，构建了将单个 PC 窗口发送到手机、手机输入仅作用于该窗口的方案。

I built this because of a genuinely stupid problem. I have one monitor. When something is playing fullscreen on it, the machine is occupied but I still want to answer a message or check a build. Alt-tabbing kills the fullscreen. A second monitor was the sensible answer and I did not want to buy one. So Any Command can send a single PC window to the phone, and input from the phone goes to that window only. The film keeps the monitor and never loses focus. That took by far the longest to get