The app Mahjong Scorer helps scoring in Mahjong by allowing you to take a photo of your hand and having it scored automatically. The app can also track all players' scores when playing multiple rounds. We know that Mahjong can be played in a lot of different ways and we want this app to be useful to as many people as possible. For that reason, the app allows you to customize many things about your play, such as scoring and paying.

You can find it on the App Store.