You can repeat the implementation as in other VPN applications such as [ProtonVPN](https://github.com/ProtonVPN/android-app), [Bitmask](https://fdroid.gitlab.io/jekyll-fdroid/packages/se.leap.bitmaskclient), [ByeByeDPI](https://github.com/romanvht/ByeByeDPI) white/black list mode for applications Reference to the question: https://github.com/urnetwork/android/issues/258 
You can repeat the implementation as in other VPN applications such as ProtonVPN, Bitmask, ByeByeDPI white/black list mode for applications
Reference to the question: #258