Those who own a Japanese 3DS can head over to the eShop and download the demo for Rodea the Sky Soldier right now. You can only play the demo five times so keep that in mind. The demo will take you to a small portion of the prologue while showing you how to play the game. After that there are a couple levels you can play through.
I recorded some footage of me trying it out below (excuse the silly mistakes I made, it’s my first playthrough of it). The game takes a moment to get used to, but even though it’s in Japanese you’ll be able to understand most of it after the tutorial segment.