Starting from version 1.1.9, the Android client has added the functions of sharing the phone screen and sharing the file system of the phone.

Android 6 and above is required for screen sharing
Android 10 or above is required to share the internal audio of the mobile phone system
iOS does not yet support screen sharing

https://rustdesk.com/docs/en/manual/control-mobile/

A remote desktop software, the open source TeamViewer alternative, works out of the box, no configuration required. You have full control of your data, with no concerns about security. You can use our public rendezvous/relay server, or self-hosting, or write your own server.

https://rustdesk.com/