Modded versions of Injustice Mobile are designed to provide a "sandbox" experience where the player isn't restricted by time or currency.

On one side was Batman, the dark knight, driven by his unyielding determination to protect the innocent and bring down the tyrannical regime of Superman. His arsenal was vast, but more importantly, his will was unbreakable.

Downloading "Mod APKs" from unofficial third-party sites carries risks: Account Bans : Using mods in Online Multiplayer Battles