Super Robot Taisen A Portable Cheats

Minerva X
On stage 7 you must keep Ankoku Daishogun and Dragonar-3 alive, then have Mazinger-Z(Kouji) convince Minerva X and then she will become an uncontrollable ally for the rest of the stage. If Minerva X is shot down, then you will NOT get her afterwards. It's recommended that you take out as many enemies as possible (except Daishougun) then have Kouji convince her otherwise she'll just get herself killed.

Aina, Apsalus and High Mobility Zaku I: On stage 6 have Gundam EZ-8(Shiro) convince Apsalus(Aina). Then on stage 7 do not shoot down the Apsalus.
Combattler V's Grand Dasher: Take the Nanbara Connection route on stage 17. Combattler V then learns it at stage 28.
Daimos' Reppu Seikenzuki Kai: Take the Guinea Highlands route on stage 17. Daimos then learns it at stage 28.
Four: On stage 16 have Camile convince Four. then on stage 18 use Camile to convince her again. Cannot unlock Rosamia.
Kirika: On stage 24 have a battle animation with Grendizer DS and Kirika, shoot down Zuril's Battle Mothership and have Drill Spazer(Maria) convince Kirika.
Love Love Tenkyouken: Take the Devil Colony route on stage 26.
Rosamia: On stage 16 have Camile convince Rosamia. then on stage 18 use Camile to convince her again. Cannot unlock Four.
Voltes V's Choudenji Ball: Take the Big Falcon route on stage 17. Voltes V then learns it at stage 28.