Improvement Splendor ?

[Pedro18]

When a player put aside a card with a golden token, the card shall be shown at least 1 second, like in the real game, so that the other player could try to memorize the hidden card and anticipate the strategy

[BarnardsStar]

When a player put aside a card with a golden token, the card shall be shown at least 1 second, like in the real game, so that the other player could try to memorize the hidden card and anticipate the strategy

What are you talking about? Face-up cards are already visible, and a major point of reserving a face-down card is that nobody else knows what it is.

Maybe you could point to the rulebook indicating what you are referring to?

[Kayvon]

You might gain more traction on the discussion if you provide an example, participate in the discussion, and post it in the specific forum for the game you're discussing.

Here, I even looked up the link for you:
https://boardgamearena.com/forum/viewforum.php?f=389