We develop android apps, platforms include Firebase databases, Firebase Storage, mysql as back end, web-view, app hosting, push notifications, and google ads integration. We also enable deep linking and in-app referal programs. We also integrate payment systems into apps. Eg, Paypal, Stripe, and Google Pay. If you are looking for Playstore and Google Optimization, we are the right place.. App Express has been developing apps in Africa for the past 3 years, and has a huge collective database of clients and references. We believe that Apps make the world go round! Website: http://www.app-express.net Play store Developer Page: https://play.google.com/store/apps/dev?id=5192583618579108353