"Nigiri" is the way to decide sente (the first) in Igo.
Normally, we need stones to do "Nigiri", but this app let you do "Nigiri" on your iPhone!
In other words, "Nigiri" is the only thing that this app can do.
Info page is going to be extended.
[I recommend this app to the person who]
・plays Igo on iPad, iPhone or other digital gadget.
・likes Igo.
・will like Igo.
・likes an useless app.
・likes me.