Mobile app for travel -- 2

I am looking for a mobile app developer to create a travel app for both iOS and Android platforms. The app should have location services as its main feature. I have some sketches and ideas for the design, but will need help in refining and finalizing the app's visual elements.

Ideal skills and experience for this job include:
- Mobile app development for iOS and Android platforms
- Experience with location services integration
- Strong design skills to help refine and finalize the app's visual elements