refreshment booth; snack bar; food stall
Typically refers to a temporary food or drink stand set up at school festivals, community events, or similar gatherings.
We plan to run a refreshment booth at the school festival.
I bought yakisoba at a food stall.
模擬 (mogi, 'simulation') + 店 (ten, 'shop'). The word refers to a simulated shop, i.e., a temporary booth run as a practice or event activity.