Unity MOBA Skin Unlock Mod

Android MOBA that was built with Unity and is publicly available on Google Play. What I need is a clean client-side modification that unlocks all character skins locally (no server-side changes). The goal... (Budget: €8 - €200 EUR, Jobs: Android, C# Programming, Game Design, Game Development, Mobile App Development, Reverse Engineering, Software Development, Technical Writing, Unity, Unity 3D)