What is the CrazyStone DeepLearning game, how does it work?

According to the introduction of UNBALANCE Corporation, CrazyStone DeepLearning is a Board game on the Android platform. There is currently a 2.0.0 version released on Mar 08, 2020, you can see the details below.

The strongest, the best Go app in the world based on Crazy Stone employing Deep Learning technology !

New Features!!
-IAGA Rating Certification Tests
Challenge the Dan/Kyu tests provided by the International AI Go Association.
-Premium Membership
Completely ad free, higher levels and additional features for Premium Members.

Crazy Stone has made a huge step forward by combining Deep Neural Networks with Monte Carlo Tree Search. The highest level of Crazy Stone Deep Learning has achieved 5d in kgs rating and in this lite version, we have provided you the highest level of 2d for FREE!

* 17 levels of play from 15k to 2d
There are 17 levels of play (15k-2d) for all the board sizes. Crazy Stone has improved not only in strength, but also in his style of play and the lower levels are perfect for players who want to learn the game of Go.
Now, the strongest level for Premium Members is 5d.

* IAGA Rating Certification Test
Challenge the Dan/Kyu tests provided by the International AI Go Association. You will be awarded certificate images if you pass the tests.
(You will need to register an AI Game Account to challenge the tests. Registration is free)　

* Export and import sgf game files
You will be able to import and export game records in sgf format from other apps. Also you can copy game record data to the clipboard.

* Rating Mode
Test your skills with serious games against the AI, keeps track of the results of your games and the history of your rating!
The Rating Mode will be partly unlocked if you reach 7k IAGA Rating. If you become a premium member, all of the Rating Mode features will be unlocked immediately.

* Other features
・Friendly 3 input methods
You can choose from 3 options of input methods (Zoom, Cursor & Touch).
・17 levels of play for each board size (9x9, 13x13, 19x19)
・Human vs Computer, Human vs Human (sharing a single device)
・Computer vs Computer Games
・Handicap games, variable options of Komi
・Hint (suggest)
・Instant Undo (available even when the computer is thinking)
・Automatic territory calculation
・Japanese/Chinese Rules
・Suspend/Re-start games
・Save/Load game record in sgf files
・Automatic and manual replay of a game record
・Highlight the last move
・COM resign feature
・Byoyomi games
(You will not be able to select computer level in timed games)
・Atari warning
・Highlight the last move
・Play speed can be adjusted

*Notes for Premium Member (Monthly Subscription)
The benefits of Premium Members are:
-Completely ad free
-Maximum AI playing strength will rise to 5dan
-Play Rating Mode for all 3 board sizes
-Challenge the IAGA Certification Tests higher than 7kyu

The Premium Membership is a montly subscription service.
The Subscription will be renewed automatically unless cancelled more than 24 hours before the end of its current period.
To turn-off the auto renewal of subscription, please open the Google Play Store app and change your Google Play Account settings.
You will not be able to cancel the current subscription during its active period.


* This app is certified by International AI Go Association

Make sure that third-party apps are allowed on your device: go to Menu->Settings->Security-> and check "Unknown Sources"

Tap the APK file. Allow the app any required permissions it asks for. Then, at the bottom of the installer window, click INSTALL.

You'll see a confirmation the app is installed. Now you'll see the app available in your list of installed apps.