created a classic solitaire game (need your inputs)

hey guys i'm currently creating some good ol classic games like solitaire and hearts.. I'm very curious to know what you guys think? i have recently implemeted global leaderboards and thinking about creating a tournament in the feature + adding multiplayer games hmm.

everything is of cource free, no downloads etc - you can find them here(lemme know what u think??):

https://onlinecardgames.io/solitaire-turn-one/
https://onlinecardgames.io/hearts/

plz note that hearts is currently only against the computer/ai