Easy operation
Various arms
Vertical Scroll Shooting
There are 40,000 combinations of armed!

You can operate with one finger. (Corresponding to controller)
In the case of
There are five kinds of attacks.

Main gun: automatic and continuous
Secondary armed: Tap to activate
Lock on: Align the cursor
Pumping armed: I move the fuselage up and down
Proximity armed: automatic invocation when approaching an enemy