A free program for Android, by lichess.org.

lichess is a free online chess game with various options, including different board styles, themes, game modes, players, and more. You can play chess online or offline, with friends or without, in classic or blitz mode, and even with the computer.

This app is a fully functional and open-source application. You can also download the latest version of the app for free, and you can play it on your Android devices. It supports multiple languages, and you can even play chess in more than 80 different languages.

The game is completely free to download and use. You don’t need to register to play.