A free app for Android, by BigByte Games.
Your character will be a surgeon, and your job will be to save the lives of the patients in the hospital. Your hospital is full of patients suffering from various diseases. Some are suffering from heart disease, others have cancer, and still others have other serious diseases.
You will be operating in an emergency hospital, where you will be expected to save the lives of your patients in the shortest possible time. You will be using tools to help you perform your job. You can perform your job successfully and earn a lot of money to buy new tools and upgrades.