Connect VPN for single app?

[Adnan-addi]

hi , i have this app working with my .ovpn file , Now i want use it for single app only . is there any way to restrict it to only single app ???

[JulianLazarus]

App would need to support Split tunneling, eg like some of the big boys https://www.purevpn.com/blog/split-tunneling-for-android-is-here-with-a-big-bang/

not an easy ask