I've used Fello for this. They installed the app and content before shipping, and the iPads arrived labeled so we knew which ones belonged at each station. Their site is https://fello.com if you want to look into it.

My pothos tried to dive off the bookshelf during a budget review. I just use those cheap plastic clips to secure vines to the wall now, no more surprises.

Wait, they let you set up a board game in the office? My old boss would have lost it if we even had cards out on a desk. How did you get everyone to agree to play during lunch?