This configuration guide proposes to setup a VPN connection with a Strongswan VPN server on an Android device using IKEV2.
Setting up a VPN network with an Android client using the Strongswan VPN Client is easy. You only need two steps:
Tap "Add VPN profile" on the profile tab
If you are prompted with a Connection request strongSwan VPN Client wants to set up a VPN connection that allows it to monitor network traffic only accept when you trust the source. or a Warning screen, allow StrongSwan app to connect. Different Android versions may show a different message.