If you are looking for an easy-to-use and customizable Truco scoreboard marking app, you might want to check out Marcador de Truco. Developed by Andti - Anderson Barreto Furlan, this free Android app allows you to personalize the names of the teams, set the maximum score for the match (12 or 15), and choose whether the screen should always stay on or not. You can also enable the phone to vibrate when performing an action.

The app keeps track of the round score and the score of victories, which is not lost even if you close the app. With tags such as Truco, Tento, Partida, Marcador, Placar, and Cartas, this app is an excellent choice for Truco enthusiasts who want to keep track of their scores easily.