Use Your Android Smartphone as a Webcam

[Skhilled]

You don't need an expensive webcam or video camera to video-conference or just video chat.

You can use your Android smartphone (both the front and back cameras) as a wireless webcam with the DroidCam app on your phone and the DroidCam Client app for Windows 10.

https://www.howtogeek.com/671180/how-to-use-your-android-smartphone-as-a-webcam-on-windows-10/