
Press the East face button on its own to toggle ball mode. Press LB and the East face button to replenish missiles. That's about as ergonomic as I can get it.

When you're in first person view (holding down LT) and using the left stick to move your POV, you hold down the North face button to aim and then press the East face button to fire a missile. That gives you shoot and jump where you expect them. Download the Game Boy Advance Nintendo Switch Online app to play the Metroid Fusion game (and more) For more on Nintendo Switch Online memberships, visit the official site. The D-Pad is bound to the emulated WiiMote's D-Pad, of course, and the left stick to its IR directions (Up, Down, Left, Right). You can then hold down "LB" to point it up, and "LT" to point it at the screen. Anyway, that gives you a sideways WiiMote. The image prefers the right triggers and buttons on the right side I prefer the ones on the left side.

Anyway, I'm just going to describe it for people who find text easier to follow. I tried coming up with an optimal gamepad config independently, and I pretty much just ended up just recreating what's in the image.
