Android App UI/UX Creation

I’m gearing up to launch a completely new Android mobile app and need its entire UI and UX designed from the ground up. Nothing exists yet—no screens, no style guide—so you’ll be shaping the product’s visual language and interaction model from first sketch to final assets... (Budget: $15 - $25 USD, Jobs: Android, Figma, Graphic Design, Mobile App Development, Prototyping, UI / User Interface, User Interface / IA, UX / User Experience)