Really cool idea!
I am not quite sure what the actual point of the bell is though, I feel like the progress should either be 1. Hit bell, and pill bottle is given to customer, or 2. Put pills in tray, and then hit bell to give them to customer. However maybe I just misunderstood.
I could see this genuinely being a really cool Papers Please type game, where there are certain rules around medications that you need to keep in mind while doing your job.
Keep up the great work!