It is standard Seven bridge.
Compete the score of a total of 24 round.
There is also a close declaration that aim a high score by issuing a card at a time.
And relatively easy to win beginner mode, there is a normal mode.
About rules
The rule is similar to Mahjong, but are described in the How to Play app, if you do not know at all may not know may read the rules. In that case, is it early to get to tell people you know.