A fast mental-math game built around short rounds, bonus questions, local progress, and replay-friendly focus training.
Brain Trainer is built to keep math practice short, replayable, and easy to return to. The goal is not to feel like homework. The game emphasizes small sessions, visible progress, and quick decisions so players can train focus without a heavy learning curve.
The privacy policy explains how local profile data, session results, on-device settings, and Google AdMob processing fit into the current app build.