The Soldiers of Future Beta 3 is a PSP homebrew game and its good to take for a spin thanks to s4inex and the cool work he did. If you are longing for that retro sidescrolling shooter feel then look no further because there is plenty of that in The Soldiers of Future Beta 3. Kill bad guys, get points, get more ammo and enjoy. The changelog and control for The Soldiers of Future Beta 3 is listed below.
Controls:
Digital Pad Left, Right: Move your character.
Square: Running.
Triangle: Activate Shield.
Trigger A: Put mine.
X: Jump.
O: Shoot.
Start: Pause the game.
Soldiers of future beta03
improvements:
New menu.
New energy and health bar.
Less delays (lags).
Added Weapon: mine (mine is placed with the R button).
You can buy mine.
You can use a shield with the triangle button.
Source