Dear Entrepreneurs, Most of businesses tend toward mobile area, and mobile apps are very important to expand marketing place and encourage your businesses. Core keys when you select developer: I'm willing to build long-term relationship with above keys. I started the development of iOS app in 2009, and I have developed more than 100 iOS apps so far. I always study new areas and technologies, and recently, I mastered iOS 9, AppleTV, AppleWatch and ChromeCast. Also, I started the development of Android app in 2010, and I have developed more than 100 Android apps so far. Recently, I mastered Android 6, Camera2 API and DNG processing. I'm so proud that I can say I have mastered all of iOS and Android app development areas. My ROLE is communication and in-time delivery of result.