Good afternoon.
I can help solve your problem, I am a systems engineer, I work as a developer, I have experience in several languages, among them development in Android, which are useful to carry out the project you need, I would like to know more in detail what your needs are , So cost will depend on it, I have realized internal developments within my work and I do freelance work. I know and manage Material Design for Android applications, I have just finished some certification courses on Android .. I am at your orders, any questions or comments let me know. I hope you have interest in my proposal, so we could talk more in detail.