Garena's security architecture does not allow an external app to modify account status or passwords. The account database is server-side. An app installed on a phone cannot "hack" into Garena's server to "fix" a ban or reset a password.
: Si Garena detecta el uso de software de terceros para manipular la cuenta, esta puede ser suspendida de por vida. Proceso Oficial de Recuperación
Instead of unverified apps, use the established paths provided by the Garena Free Fire Support Center :