There are Axxon PSIM mobile clients on iOS and Android platforms.

Use the following URL to connect (if Axxon PSIM Server settings are default):

<Server IP address>:<port>/web2

Example:

192.168.0.10:8085/web2 

Full articles:

Connecting to the Server and working with Servers in the AxxonNet iOS mobile client

Connection and login via AxxonNet in the AxxonNet mobile client on Android OS

The following articles describe basic features of the mobile clients: