While you can't get premium skins, you can use (like Stylus) to modify the CSS of the Poolians page for local visual changes. You will see exclusive felt colors, but your opponent will not. It’s a "client-side exclusive" that tricks your own eyes.
While there is no official "free" version of the Poolians premium account, you can access certain exclusive gameplay features without paying by using specific in-game methods or by understanding the limitations of the free tier. poolians premium account free exclusive