ARDEAL2.7.1 - Google Play

Ardeal Space Shooter Free is an arcade shoot `em up space shooter classic game with awesome graphics, unique models and different from most space shooter games you will find on Android devices.

The action takes place in a hostile zone in deep-frozen space, and your mission is to clean that zone from galaxy invaders. Take control of your space ship named Ardeal, try to prevent an alien attack and finish the game by passing a total of 7 levels.
But beware, at the end of each level, an enemy boss is waiting for you and ready to fight. If you want to win this fight easy, try to destroy enemies before you reach him, and grab as many boxes as you can in order to upgrade your weapon fire rate. You may also find coins that increase your ship shield and your chances to pass the level.

The game is free and easy to play - just touch and drag your spaceship on the screen. From the moment you touch it, the spaceship will automatically fire bullets.
Destroy every level boss
Beat your score - depending on what enemy you destroy, a score and max score will be added.
If you pass a level, your weapon will be upgraded, shield restored and the game will be saved automatically. So, don`t worry if you lose, you can always restart from the last level you finished.
If you win the game, an infinite level will be unlocked and it will stay unlocked even if you restart your game