Chess Clock is a free Android app developed by Sushmitha Girish. It's a simple and easy-to-use chess timer that also works as a game tracker. The app displays player names, has large, easy-to-read buttons, and includes check and checkmate buttons for more convenience.

One of the best features of Chess Clock is that each game score is saved internally for future reference. The application also remembers player names for next use, so you don't have to keep entering them every time you play. Additionally, you can select individual time for players and apply delay and increment for the timer. The app even allows you to apply themes as you wish, making it more attractive for users. Overall, Chess Clock is a great tool for chess players who want an easy and free way to track their games and manage their time.