Chat App, Social Network App, E-Commerce App development Over the last 5 years, I have developed iPhone/iPad/Android Chat App, AppMobile Websites, Real Estate, Ordering Apps, Social Network Apps and Photo, Video, Audio Editing / Filtering / Sharing apps, Utility Apps, Augmented Reality, Cocos2D & OpenGL Games, VOIP, Bluetooth, GPS, SMS Messaging Apps.. - Chatting App, Ordering&Real Estate&Social Apps : XMPP, RTP, CMS, Backend Development, Website Development, Mobile Website App, Warehouse System, EBook App, News App, Social Network App, Event Management, Paypal API, Core Location/GPS , Zillow API, MapKit, Following, GeoLocations/Places API, JSON/XML, CoreData/SQlite, Web service, JSON, XML, RSS, SOAP, PHP, MYSQL, Instagram/Facebook/Twitter API, Zend, Codeigniter, Instagram API, Facebook API, Twitter API. - Photo : Camera Effect, Internal Library, Drawing, Painting, Vector, Multi-Stickers, Face Recognition, Vectors on Toolbar, Cropping( Lasso, Wand ... ), Rotating, Resizing, Filtering( RGB Filtering, Sketch Filtering, Mask Filtering ...), Text Insertion( Font, Size, Color Changing ), Drawing Color Selection, Zoom In/Out, Undo/Redo, Photo Animation, Photo Sharing, Following. - Video : Camera Effect, Video Editing, Video Merge ( Watermark, Video-Voice, Video-Audio...), Video Filtering, Video Overlay, Video Live Streaming, Video Live Merge, Playing with YouTube Videos, Video Converting, Internal Library, Video Filtering, Text Insertion, Headphone Effect, Video Sharing, Following. - Audio : Karaoke, Recording Effect, Music Merge, Audio Editing, Equalizer, Piano, Guitar, MIDI, Music Streaming from Radio Station, Audio Effects( Echo, Reverb, Ring Modulation, Flanger, Tremolo, Vibrato, Chorus and Wahwah ), Audio Filtering, Pitch Changing, TTS, Voice Changing. - Games : Augmented Reality games, Cocos2D Render Engine, Box2D/Chipmunk Physics simulator Engine, C