This game is a variation of the Chinese board game MahJongg.

In case you do not cheat - you can enter your name to the Hall of Fame after winning a game. Cheating means here: Using the function "Show move".
If you buy a Pro-Version (In app purchase) you can upload entries from your Hall of Fame to the Internet. So you can share your success with other Mahjongg players worldwide.

This App do not use Ads. In addition it requests permission only that are really required (Access to Internet to realize In app purchasing and to down-/upload the worldwide Hall of Fame)