Create Call Screen Changer Android app

Hello Friend, I have 4+ year experience in design and development of Websites and Mobile Applications. I have relevant experience to your requirement. I can do your project. I have expertise in developing Appointment Application, Business Application, E-commerce Applications, Payment gateway integration etc. I have expertise in Design, Java, PHP, Android, iOS, Database etc. Looking forward to hearing from you. Regards Mahavir

Do you want to develop an useful, beautiful app with speed, appropriate budget and reduce the maintenance cost? I'm here for that. My name is Tung Phan, with more than 4 years working on the Android Platform. I'm currently working on "Anibis", one of the biggest e-commerce product which serves one third Switzerland's population. I have built more than 30 apps, most of them are internal application using in local companies, 3 of them got public in the Google Play for a vast amount of users all around the world. Understanding about most of the latest popular Android lib/framework which are well known by most of Android developer: rxjava, rxAndroid, java 8, Retrofit2, Dagger2, ButterKnife, etc. Not just a good programmer, I'm also spend my time for books like: clean architecture, clean code, Code Complete, etc so that my code have a good quality, easy to read and maintain, extends and more. I'm pretty good at English so there's no doubt that I can understand exactly what you need! Feel free to contact me and we can talk more about what's your need, I believe that I can give you solutions, advices and together we can bring the idea into the top of the field.