It’s a small utility. Helpfull or missing the charm of the walkaround. It’s up to you.
Lets you disable chocks & covers  automatically. Only enable the covers and chock you want. Remember the state of the aircraft on the previous flight: “If you put  the chocks or covers before ending the flight, they will be there when you launch the next flight”.

It’s available via your account from simMarket.

And here a short briefing how it’s work:

It’s up to you to decide if you need it. If you are in a hurry, grab it. You can always do a walkaround. But if you quick want to start up….. Think about it.