Dr AA - Germ Collapse

Welcome to Dr.AA Research School. Dr.AA will show you how to eliminate the various germs by different pins. 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 suppo...