Sam Loc Offline, developed by COM Puzzle, is a card game that is widely popular in Vietnam and is intended for four players. It is available for free on Android platforms. The game is designed to be played offline, which means you can play it anytime and anywhere without an internet connection.

One of the best features of Sam Loc Offline is that you don't need to register an account to play, and it's completely free. The game has an attractive design and great features that make it even more enjoyable to play.

Overall, Sam Loc Offline is a great way to experience the national card game of Vietnam and have fun while doing so.