Galaga Wars (iOS, Android) Gameplay Walkthrough

GALAGA WARS is a free game that you can download on iTunes and Google Play
iTunes: https://itunes.apple.com/us/app/galaga-wars/id1073959479?mt=8&ign-mpt=uo%3D4
Google Play: https://play.google.com/store/apps/details?id=eu.bandainamcoent.galagawars