It is an application to record and review Go Go etc. published in books and newspapers.
In addition to Go, you can also record hand lines and Jose.
The recorded Go can be solved in the form of a question.

Register a lot of Go and make your own problem book!

[Function]
・ Go categorization
・ Rotate the go board at random when setting questions (ON / OFF can be switched by setting)
・ Randomly set questions from registered Go
・ Indication of stone number (can be switched ON / OFF by setting)
・ Comment input
・ Input of mark
・ Green go stone
・ Back up data to Google Drive