Not much effect.
If you are majoring in flight/civil aviation.
Can play a little role
After all, something is better than nothing.
But simulated flight is still simulated.
There is still a big gap from the truth.
I suggest you call directly to ask the university you want to study or apply for.
See what their policies are like.
Because this is based on the university itself, some universities may want this.
Some may not.
Good luck!
What is the full name of the competition you participated in?