Kfxinput Verified -
/usr/bin/kfxinput It is started during system boot by upstart or systemd (depending on firmware version) via a job config like:
com.lab126.kfxinput.touch com.lab126.kfxinput.key The framework listens to these and routes them to the active application (reader, home screen, settings). kfxinput
Some firmware versions support: