Hi, i am a software engineer with a lot of experience as developer with about 4 years of experience in Android, and about 3 year of experience in PHP. I know about many architectures such as MVC, MVVM, MVP, Viper, Redux among others. So i will build your app with Clean Code, and the best practices of development.
I know many design environments for create your app in mocks before build it.
Please contact me and let me know which are your specific requirements and i will help you.