There are many aircrafts without internal electronic checklists.
This software allows you to use same checklist on a couple of devices simultaneously and synchronized - so all status updates will be immediate available on all devices.
It could be very usable for two pilots in one cockpit
Easy checklist creation in CSV format - you dont need to by of rent it from manufacturers and tailor it for your needs.
No internet access needed to synchronize
Useful and comfy software for every flight use.