Card games are one of the most played games by people around the world. Various kinds of card games are played, but Big Two is one of the most popular varieties. People in Indonesia, especially teenagers, have begun to play Big Two card games when they reached junior high school, mostly just for fun. Since online web-based games have emerged in the market, people have started to play the card game using their personal computers as well. The advancement of mobile technology has enabled players to play interactive games on their mobile devices. With the emergence of the Android platform, smartphone vendors are bringing sophisticated devices for the players with superb graphical powers, providing people with entertainment on-the-go. This has allowed the development of interactive multiplayer games on the platform. Lost in Cards aims to bring this interactive multiplayer Big Two card gaming experience to the players on their Android devices. Lost in Cards allows players to play with their friends, or even people they do not know. Most people do not have the time to use a personal computer to play with their friends. The only device they will most likely carry is their smartphones. Nowadays, a lot of Android phones, starting from low-end to high-end devices have more than average graphic capabilities to process complex graphic computation. It is expected that most people will already own an Android device, giving this application a chance to emerge in the market.