How I use VPN on Android

In the comany I work for we are providing VPN connection to our employees. To set up the VPN connection using pre shared key, I use following settings on my LG G3 phone.

Settings --> Networks --> Tethering &networks --> VPN --> Add VPN network

VPN field:
Name: Work
Type: IPSec Xauth PSK
Server: VPN  IP.
IPSec identifier: Connection profile
IPSec pre-shared-key: Secret key.