Android development,
Android SDK,
RESTful architecture, 
SQLite,
Java,
JavaSE,
Google Maps,
Network Architecture,
UI,
UX,
LibGDX,
Google services for android,
Facebook API,
Twitter API,
Software Design Patterns,
JSON,
XML,
Git

iOs development
Objective-C,
Xcode 4-7 + Instruments,
MVC,
UIKit,
MapKit &
GoogleMap,
Core Location,
Core Data,
Core Animation,
Networking,
APNS,
CocoaPods,
Social frameworks,
JSON,
XML,
Git
                        
WEB development
HTML(HTML5)+CSS(CSS3),
JavaScript (jQuery),
Cross-browser layout,
Responsive layout,
WordPress,
WebAsyst,
Less/Sass,
Bootstrap,
BEM.

Designe
Advertising Branding,
Character design Digital art,
Graphic design Illustration,
Packaging,
Painting,
Print design  UI/UX,
Web design
Photoshop
Corel Draw
Illustrator.