This app, a quiz game focused on the popular Japanese idol group SixTONES, has received several updates. Let's take a look at the changelog:

Version 1.3.9 (March 3, 2021): Minor bug fixes and improvements. Users are encouraged to update to the latest version.

Version 1.3.8 (February 26, 2021): A bug was discovered where answering a quiz question wouldn't advance to the next question. This is under investigation. A further update will be announced.

September 21, 2020: A large number of new SixTONES quizzes were added, increasing the overall difficulty.

September 8, 2020: Additional SixTONES quizzes were added, bringing the number up to parity with the Snow Man quizzes.

September 1, 2020: Twitter and LINE share buttons were added to the results screen.

August 27, 2020: New SixTONES quizzes were added; these are described as difficult.

August 14, 2020: Some quiz questions were corrected. A note was added about a surprising television appearance by Morimoto.

June 30, 2020 (Updated August 3, 2020): Despite focusing on SixTONES, 100 additional Snow Man quizzes were added. The design and title were also changed.

June 28, 2020 & June 10, 2020 & May 10, 2020: Minor quiz corrections and design changes were implemented.

The app introduces the six-member idol group SixTONES (a Johnny's Jr. unit) through a quiz format. The group is gaining popularity and is set to make their CD debut in 2020. Fans are challenged to test their knowledge!