Drop Here

Sungryong R.

Top Mobile App & Game Expert ( iOS || Android || Web )


JiLin, China


Over the last 5 years, I have strong experience in developing the iPhone/iPad and Android app/games as well as backend web service api. I also have deep knowledge and experiences in the following areas: SQL/SQLite databases, JSON libraries, Image Processing, Audio/Video Streaming, Social Network - Facebook, Twitter, Google API, Google Glass, and their integration with iOS applications. Client satisfaction and quality work are my main priorities. My Development Areas are as following ; ✔ iPhone, iPod, iPad, Android, Web ✔ objective-c, java, cocoa, cocoa-touch, openGL ✔ Cocos2D, Box2D, Corona, PhoneGap, Sencha-touch, Unity3D. ✔ Social Media - Facebook, Twitter, Google+, Instagram ✔ Google Map Service, Apple Map Service, Foursquare, ... moreGeo Location ✔ CoreData, CoreGraphics, Animation ✔ Web Service, Ajax, XML, JSON, RSS, SOAP, WSDL ✔ PHP, MySQL, SQLite, HTML, HTML5, JavaScript ✔ Live Stream Video/Audio. Regards. Sungryong R. Search Keyword: Top|Top|Top|Top|Top|Top|Top|Top|Top|Top|Top|Top|Top|Top|Top|Top|Top|Top| iOS|iOS|iOS|iOS|iOS|iOS|iOS|iOS|iOS|iOS|iOS|iOS|iOS|iOS|iOS|iOS|iOS| Developer|Developer|Developer|Developer|Developer|Developer|Developer| iPhone|iPhone|iPhone|iPhone|iPhone|iPhone|iPhone|iPhone|iPhone|iPhone| Mobile|Mobile|Mobile|Mobile|Mobile|Mobile|Mobile|Mobile|Mobile|Mobile| Android|Android|Android|Android|Android|Android|Android|Android|Android| Top|Developer|Expert|Senior|Guru|Lead|High|Skilled|Developer|Contractor| top|iOS|iphone|ipad|Android|mobile|game|application|expert|developer|cocos2d|box2d|phonegap|unity-3d|sencha|titanium|corona|corodova| less

Sungryong R. has added 16 portfolio pieces. Create an account to review them.

Sungryong R. has more jobs to show. Create an account to review them.


Name Score (out of 5) Time to Complete
JSON Test 5.00 1st Place! 16 mins
Objective C Test 5.00 1st Place! 13 mins
CSS 2.0 Test 4.90 Top 10% 16 mins
WordPress 2.8 Test 4.60 Top 10% 14 mins
PHP4 Test 4.75 Top 10% 13 mins
Cocoa programming for Mac OS X 10.5 Test 4.90 Above Average 13 mins
iPhone Programming OS 4.0 Test 4.90 Top 20% 13 mins
JavaScript 1.8 Test 4.25 Top 30% 19 mins
MySQL 5.0 Test 4.00 Top 20% 20 mins
PHP5 Test 4.00 Top 20% 23 mins
U.S. English Basic Skills Test 4.75 Top 10% 13 mins

Work History

113 hours worked
6 jobs


More than 30 hrs/week


Phone Number: Verified


Search for others