ReactionZ is an educational game available on Android 9.0 that allows you to test and improve your reaction time. The game is developed by Sparw Creations and is available for free. With ReactionZ, you can challenge yourself and your friends to see who has the fastest reaction time.

The game offers a variety of features to make the gameplay more exciting. You can connect a Bluetooth gamepad to see if it improves your reflexes or challenge your friends in real-time to see who has the best reaction time. As you progress through the game, you can track your progress and see how your reaction time improves over time.

Overall, ReactionZ is a great way to test and improve your reaction time while having fun at the same time. It's an excellent educational game that is perfect for anyone looking to improve their reflexes.