Cartoony UI Revamp & Promo

I have a fully-functional Unity mobile puzzle game that needs a visual facelift while leaving every line of gameplay code untouched. The goal is to give the entire experience a fresh, cartoony look built around soft pastel shades... (Budget: $80 - $100 USD, Jobs: Animation, Game Development, Graphic Design, Motion Graphics, UI / User Interface, Unity, Video Editing, Visual Effects)