Rapid fire with Powerbeam (demo version)
Select the stylus control type. Then, go to either regulator or survivor training modes. Now in order to shoot fast, have your fingers on both L and R and start pressing them one at a time very fast in sequence. Pressing L + R will cause you to shot two shots at the same time.

Super Missiles (demo version)
In multi-player mode, get as much of the energies (weapon energies) as you can, then get a the missile. Once obtained hold Fire (when you select the missile icon so that you have missiles) and you will start charging with the missiles.

Charging rocket launcher (demo version)
Obtain the red missile icons two times (in multi-player or single player mode), then hold or tap and hold Fire.

Charging Electro Lob in multi-player mode (demo version)
In Trooper Module, morphball and go to the tiny spacing that launches you to the center. Obtain icon with bombs two times, then charge.

Video trailer (demo version)
Successfully complete all of the training courses and get at least fifth place on the leader board on all the training courses. Once you complete the last one, the "Play Video" option will be unlocked on the touch screen. Touch it to se a short video of Samus discovering some enemies followed by a URL, www.metroidhunters.com. After you watch it once, you can watch it again by touching a small red dot at the bottom right of the main screen.