If you’re stuck on a boring train ride and need a quick mental break, give...

https://list-wiki.win/index.php/Does_CardGames.io_have_Hearts_and_Euchre_too%3F_The_Definitive_Review

If you’re stuck on a boring train ride and need a quick mental break, give Solitaired a try. It is my go-to because it offers over 500 variants and tracks your stats without forcing you to make an account