Quantum is a free Android app designed to track life points and counters for Yugioh duels. The app offers a minimalist design and ease of use for Yugioh enthusiasts. Quantum features intuitive gestures to change life points, including swiping your finger up or down or left and right. You can also customize increments of each tap or pan. The app allows you to roll virtual dice or flip coins with wonderful animations. Quantum provides a dark mode to save battery life and offers a simple long press to access multiple counters and other options like doubling or halving your life points. In addition, you can change colors and starting life totals, toggle player tags, edit player names, and use random pickers. Quantum is an ad-free app that contains unofficial Fan Content permitted under the Fan Content Policy of Konami. It is not approved or endorsed by Konami.