Please be as specific as possible when letting us know what is missing or incorrect. For example, say "this game's trophy difficulty should be 8/10", with a link to a website corroborating this difficulty estimate (if possible), not "this game's trophy difficulty is wrong".
Classic Mahjong Solitaire is not single-player game anymore. You can play solo or in couch co-op in 3d-environment. Play together, win together, unlock more figures together.