Mobile Application Development Technologies

Android
Languages: Kotlin, Java, C++ Frameworks and tools: Android SDK, Google Services (Maps, Game, OAuth, Analytics, etc.), Volley, RetroFit, Gson, EventBus, Google VR, Samsung Gear VR

Hybrid
Apache Cordova, Ionic, Meteor, Mobile Angular UI, Polymer Project, Sencha Touch

Testing
JUnit, UI Automation, Espresso, Cucumber, UiAutomator

iOS
Languages: Swift, Objective-C Frameworks and tools: Cocoa, Reactive Cocoa, Typhoon, Socket.IO, WebRTC, RestKit, AppleTV, SQLite, MS SQL, UIKit Core Data Location Services

Cross-platform
React Native, Flutter

IDE
XCode, Android Studio, Eclipse, WebStorm