This app can help you get rid of all these problems! WHAT THIS APP CAN DO # Train your dog to do tricks # Stop your neighbor dog from barking # Annoy your friends # Recall your dog # Anti dog repellent # Anti-mosquito device - maybe Sound with frequency 20,000 Hz you will not hear probably, but your dog hear the sound very well. Best training app for your pet! Important Notes: Remember to not abuse your animals! Don’t play too loud or too long – it might cause headache or damage hearing. It might be a crime, so don’t use this app on puppies or other small pets.