オンラインでブラックジャックをプレイするのに役立つアプリケーションツールなどはありますか？

Does anyone know if there are programs or applications that help you play blackjack online

like a better table to enter, ask for a letter or not

Alguém sabe se existem programas ou aplicativos que ajudam a jogar blackjack on-line

tipo melhor mesa pra entrar pedir ou não mais uma carta

What do you mean? You can play blackjack in many online casinos. You can find the general guide describing when to take another card or what to do in different situations here: https://pt.casino.guru/introducao-como-jogar-blackjack-1