You can communicate using Bluetooth and up to seven devices can communicate.
In order to suppress behaviors like a virus, the function is restricted such as not to launch the application automatically at the time of startup. In addition, it may be better if you perform pairing work in advance.

This application works as a host side.
So I will install it on the side that plays the smartphone.
If you are a client that is ringed install " DokkaebiAPP " please.

Operation explanation
· Perform the processing to get caught on search of Bluetooth with the top button (because of the version of Android, because there are some models that are not caught searching due to security problems)
· Communication acceptance of the terminal of the client installed with DokkaebiAPP started with the second button
· Tap the list of terminals for which communication is established and put it in selected state
· When you are in the selection state, execute the process of vibrating the terminal of the client with the third button (It is necessary to terminate reception with the second button by all means before processing to vibrate