A: Because it is an "unknown source" app that accesses system network layers. This is common for IPTV tools. It is likely a false positive, but scan the file with Malwarebytes to be sure.
A: Generally, yes. However, Android 14's new "foreground service" restrictions may kill the background recording feature. You must pin the app in the recent menu. sfvip player android work
If you are a casual streamer who just wants to watch live news or sports, skip the headache and use an official app from the Play Store. A: Because it is an "unknown source" app