Notations
http://orochikof97.free.fr/images/bouton_A.png - Weak Punch
http://orochikof97.free.fr/images/bouton_B.png - Weak Kick
http://orochikof97.free.fr/images/bouton_C.png - Fierce Punch
http://orochikof97.free.fr/images/bouton_D.png - Fierce Kick
http://orochikof97.free.fr/images/bouton_E.png - Boost
Screen HUD
http://orochikof97.free.fr/images/Ecran_Jeu.jpg
There's lot of stuff displayed on screen, so let's go deeper to understand what does what.
Aura bar
http://orochikof97.free.fr/images/Bouton_Aura.jpg
Your regular super meter found in every 2D fighting game nowadays.
There are two levels : first one is blue, second one is yellow. Once you reach a level, the words "God Fist Blow" appear next to the bar. As you may have guessed, the main use of aura is to perform supers, but it has other uses you will find later in the FAQ and is also used by few character-specific moves.
Boost bar
http://orochikof97.free.fr/images/Bouton_Boost.jpg
The (long) Boost bar.
This bar is linked to the http://orochikof97.free.fr/images/bouton_E.png button and has 3 levels : purple, yellow and green. Using Boost results in making the character perform a fast dash towards him ; that dash is cancelable with any move.
The main use of the Boost is to link or cancel moves you cannot normally cancel, resulting in a wide variety of pokes and combos. Bar fills as you hit opponent or get hit, just like Aura. Notice that when you deplete a boost stock, you will have to wait few seconds before you can stock boost again in the bar (same goes for Aura).
Hokutosei (Great Dipper) Bar
http://orochikof97.free.fr/images/Bouton_Hokuto.jpg
Guard Bar
http://orochikof97.free.fr/images/Bouton_Garde.jpg