I develop simple and complex Android mobile apps. This includes all app designs, graphics, UI, web services, on device functionalities as well as Google Play store alpha/beta testing and compliances. I can custom code features like user profiles, authentications, chat, contact & query forms, maps, eStores, cab calling systems, promo code systems, shopping carts, payment gateways, social media integration, geo location based functions, blogs on your app with ease.