Mobile app for fitness startup -- 2

I am looking for a mobile app developer to create a fitness app for my startup. The app should be developed for the Android platform. The main functionality of the app will be planning workout routines. I do not have any specific design or user experience requirements and I trust the freelancer's expertise in this area.

Ideal skills and experience for the job:
- Strong experience in Android app development
- Knowledge of fitness and workout planning
- Ability to create a user-friendly and visually appealing app