D-Calculator 유희왕 라이프 계산기 유희왕 is a free Android application developed by Fini in the Utilities & Tools category. This application allows users to input their life points and either manually input their LP changes or automatically calculate them based on the battle damage. The app also includes a match timer, quick LP adjustment buttons, and a recent LP change history. Additionally, the app has a feature that allows users to randomly select multiple numbers. The LP display can also be customized by long-pressing it to turn the font color blue. The latest update includes bug fixes for the ATK/2 button and the LP blue color fix when dual initializing.