Vault Lanterns is a free action game designed for Android that challenges players' attentiveness and reaction skills. The gameplay involves tracking the light patterns above three safes, with the objective being to remember which safe had its light turn off last. Players begin the game with an open safe that reveals coins, and after a brief moment, the real challenge begins as the lights flash in random order, testing memory and focus.

As players progress through the rounds, the intensity increases, making it a concise yet thrilling experience. The game interface is straightforward, featuring a round counter, settings icon, and pause button. In the settings, players can view their high scores and share their achievements with friends. Vault Lanterns promises an engaging way to test one's attentiveness and reaction time, appealing to fans of quick-paced mini-games.