"Alien Master" is a free hyper-casual game developed by Tap Bike Racing Games for Android devices. The game is set in an alien world where the player is on a mission to find and shoot all the aliens. The game's objective is simple - players need to scan and shoot all the aliens while rescuing the innocent.

Upon starting the game, players are introduced to a visually appealing interface with easy-to-use controls. The game is fast-paced and challenging, with each level presenting a new set of obstacles to overcome. The player needs to be quick and precise in their movements and shooting skills to progress through the game.

Overall, "Alien Master" is a fun and addictive game that is perfect for anyone looking for a casual gaming experience. It is a great way to kill time and challenge your reflexes. The game is free to download and play, making it accessible to everyone. However, it does contain ads, which can be a little distracting at times.