I ’m an expert Mobile Application developer with more than 5 years experiences of both android and ios development Hands on experience . GCM - Google Cloud Messaging APIs . Google Map Applications . GPS . Calling & Messaging APIs . Location Based Applications . Audio/Video Streaming . SQLite . Gestures . Live Wallpapers . Instant Messaging Applications using XMPP and Http based communication . Camera APIs . In app purchase 2.0 . Facebook APIs . Twitter APIs . Threads . Handlers . Animations . Google Play Services . Volley . Fragments . NDK . Push Messages (Parse , Pushwoosh, Airpush etc ) . User Management and Authentication . Many more ...