Dead on Arrival

The action of Dead on Arrival for Android develop in two days after the terrible explosion thundered in the central park, many people got wounds and were sent to hospital. However in some hours all people died, doctors declared that there was a mass cardiac arrest. But who will believe in such nonsense, especially, almost at once in hospital all windows are driven in and doors are barricaded, and within 12 hours there were no messages from there. Now your task is to deal with all ghouls who disappear in the building, and this task is not so simple especially taking into account that the number of zombies is out of all reasonable limits.