Tien Len Mien Nam (also known as Tien Tien Len - Game Dan Gian) is an offline version of the classic game of 52-card rummy. In this version, the cards are 52 in total, and each player is dealt 13 cards. The object of the game is to get rid of your hand, by either winning the bid or, if you fail to get rid of your hand, by being the first to run out of cards. So if you're looking for an Android app that'll simulate your mental prowess, this Vietnamese game would be an excellent choice.