Final Fantasy Gaiden: Four Warriors of Light details

Multiplayer

– 4 players
– Choose from one of the four characters
– Most likely wireless only

Battle points

– Receive battle points from successful battles
– Use them to obtain certain weapons/equipment
– Easier to gain these points in multiplayer

Equipment upgrade:

– Gem slots are available for weapons/equipment

Jobs

– AP can be raised by a Dancer for other characters, split AP between party members
– Carouser lets all characters attack simultaneously, attacks become more effective
– Musician has support abilities for musician instruments
– Bard has synergy capabilities

Source