Tutorial: Step 1: use the lines to stop ambulances from coliding each other Step 2 take the >> 1 drawing to a place you want to move a unit to Step 3: tap the unit to move it to the >> 1 Step 4: make the units collide with wounded people Step 5: lead them back to ambulance Step 6: a suv will be sent to the sender hospital to send a new ambulance Enjoy this development build! Stay awesome !