What factors make a game guide effective and valuable for players? What role do user-generated guides play in supplementing or complementing official guides for games? How have online platforms and social media influenced the accessibility and distribution of game guides?

Many of the popular online mahjong games are riichi mahjong (Japanese), such as tenhou, soul mahjong, riichi city. But it's not hard to learn if you know Chinese MJ, honestly I think a lot of people including me came from Chinese MJ and adapted to riichi rules. But I prefer mahjong 3 d, as for me it’s a new take on an old game.