First adjusting init scripts, then creating items at /etc/osmc/apps.d
Now I can manage start/stop of those 2 apps from MY OSMC > Services
/etc/osmc/apps.d/sickrage-app-osmc
SickRage
sickrage.service
/etc/osmc/apps.d/couchpotato-app-osmc
CouchPotato
couchpotato.service
So easy!