An open-source remote desktop application, the open source TeamViewer alternative.
Source code: https://github.com/rustdesk/rustdesk
Doc: https://rustdesk.com/docs/en/manual/mobile/

In order for a remote device to control your Android device via mouse or touch, you need to allow RustDesk to use the "Accessibility" service, RustDesk uses AccessibilityService API to implement Addroid remote control.

In addtion to remote control, you can also transfer files between Android devices and PCs easily with RustDesk.

You have full control of your data, with no concerns about security. You can use our rendezvous/relay server, or self-hosting, or write your own rendezvous/relay server. Self-hosting server is free and open source: https://github.com/rustdesk/rustdesk-server

Please download and install desktop version from: https://rustdesk.com, then you can access and control your desktop from your mobile, or control your mobile from desktop.