I tried using vitacheat while on game and adding the from in the game but didn't work for some reason but i made the cheat file and copy pasted the cheats on the file it works fine
Edit:this are the codes for gundam breaker 3 i found
# PCSH00208
_V0 GP 99999999
$0200 832F2FDC 05F5E0FF
_V0 LQ PLASTIC 9999
$0100 832FCC60 0000270F
_V0 PLASTIC 9999
$0100 832FCC62 0000270F
_V0 HQ PLASTIC 9999
$0100 832FCC64 0000270F
_V0 LQ HARD PLASTIC
$0100 832FCC66 0000270F
_V0 HARD PLASTIC
$0100 832FCC68 0000270F
_V0 HQ HARD PLASTIC 9999
$0100 832FCC6A 0000270F
_V0 LIMIT BREAKER 9999
$0100 832FCC6C 0000270F
i forgot where i got them from but they work perfectly