Welcome to Dr.AA Research School. Dr.AA will show you how to eliminate the various germs by different pins. Cough-Running Nose-Mild Cold-Typhia-Flu-Collywobbles- Inappetence- Dyspepsia- Gastritis- Gastric Ulcer-etc. Be patient! You are the one that matters to heal everyone from the germs here! Features: 1. Easy and free to play 2. 3D game with unique game system, vivid UI and various styles of pins 3. Over hundred challenges to train your hands and brain and set you free from stress 4. Healing Mode or Endless Mode? Just pick one that suits you most! 5. Constant updates with high-quality customer support Ready for the ultimate challenge? Tap the pin, shoot it to the weakest part of the germs and kill all germs neatly. Be careful! You will fail the treatment if shooting the pin to their defense areas. A certain amount of potion is ready for every germ. Time is running out! Hurry up! Download and carry out your treatment now! Need any help? Have any suggestions? Please feel free to contact us at support.draa@avid.ly or leave a message at our Facebook fanpage https://fb.me/spinningdraa .