Hello,
I see that you need an app for android based on the WooCommerce API, I've Already done that and I have the experience required contact me I can provide you with screenshots or video to demonstrate for you how the app will look like at the end.
I have experience as a mobile engineer. Since I've started on software development I was mainly within mobile Development. During my career, I gained experience in the full project lifecycle from Planning, Implementation, Documentation, Deployment, Testing and Maintaining.