As soon as you start the app, a yellow card will be displayed on the full screen.

If you shake your mobile device, the weak whistle will sound. Sounds every time you shake. The sounds are made to overlap.

You can switch each card by swiping left and right.
Yellow--red--black--green--blue--white--Zebra--Nanj--explainPage

Press and hold the screen to display the menu, you can switch the whistle sound.
-STANDARD: Initial setting. funny sound. Weakness.
-RANDOM: 5 kinds of whistles are played randomly. Almost weak.
-NOISY: Loud whistle. It's like sports.
-OFF: No sound is heard even if shaken
-STOP: Stop the app

You can play a yellow card with a joke for attention
The shoelaces are loose.
Not good care of appearance
Make an unpleasant talk.
For such people.

It's a funny whistle because it's a joke.
If you get sexually harassed, make a strong whistle and hit yellow.
This is Harenching. It is a foul. Use a red card for persistent opponents.
Let's Give yellow to anyone who violates other manners, too.
In severe cases, issue a red card and instruct to "sent off".
Of course, as a joke.

In general, "sent off" is red,
The card with the same meaning at badminton is black. Use them according to the situation.

There are sports that have green and blue cards as local rules.

No use cases were found for the white card, but please use it as a white flag for surrender.

The slanting black belt on a white background is a Zebra card.
Zebra card was used in Japanese rugby in the past and is not used anymore.

I am interested in NANJCOIN, which is well known and cheap in the crypto asset industry.
author's NANJCOIN Wallet address
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