Radirgy Swag first launched for Switch on June 13, 2019 in Japan.
Here is an overview of the game, via Nintendo.com:
Radirgy Swag is a unique shooter with game mechanics that can be enjoyed by players of all different levels. The planes in Radirgy Swag are not only equipped with guns, but you can also destroy enemies with your sword. This feature allows you to attack your enemies from different angles. Use your shield or fill up your Absonet gauge to give you temporary invincibility against your foes. Master both offensive and defensive techniques to conquer your mission.