Pool Scoreboard is a free Android app developed by Carlos Durana that helps billiards players keep track of their game. The app features a shot clock to control the timing of shots and a scoreboard to display the score of the match. Players can also enter their names and photos to personalize the experience.

In addition to these features, the PRO version of Pool Scoreboard offers various statistics of players, customizable shot clock times, and customizable warning sounds or voiceovers. The app also records the historic of the match for future reference. However, the free version has some limitations, such as a maximum race to 5 and preset shot clock times and warning sounds.

Overall, Pool Scoreboard is a handy tool for billiards players who want to keep track of their game and improve their performance. It's easy to use and provides all the necessary information for a smooth match.