Download the v2rayNG app from Google Play:
https://play.google.com/store/apps/details?id=com.v2ray.ang&hl=en
Select the Settings section.
Select the Subscriptions section.
Add a new xVPN subscription.
Enter any name, copy the link to xVPN subscription from the section Subscriptions.
Go to application home page.
Click on the 3 dots.
Click Update Subscription.
Select a connection from the list and connect to xVPN.
For stable operation of xVPN connection, change the following settings.