What's New
Added more problems.
App Description
8 puzzles of the layer structure
App Changes
- June 10, 2014 Initial release
- November 07, 2016 New version 1.1
- December 04, 2016 Price decrease: $0.99 -> FREE!
- December 09, 2020 New version 1.3
- April 25, 2024 New version 1.6