Remote input injects into a Java process to allow io operations such as keyboard and mouse input, reading canvas data and drawing on the canvas.
Binaries are available here: https://github.com/Brandon-T/Reflection/releases/tag/autobuild
Note
Linux has protection against dll injection, setcap can be used on the executable injecting remoteinput.
sudo setcap cap_sys_ptrace=eip /path/to/executable