A Pleasant Surprise

As a disgruntled retail worker, you set up a customer's phone to explode! Their phone will then transmit the bomb to other nearby phones, causing a chain reaction. Try to cause as much monetary damage as possible!
Jam year: 
ACCESSIBILITY - One tap for all
DESIGN - I’ll be there in a minute
MS Windows
Tools and Technologies: 
Unity (any product)
Game Stills: 
Source files: