We are well versed with:
Web-Service API Integration and Parsing XML, JSON, REST, SOAP, PUT, GET, Amazon WS, SWIFT-3.0,iOS-10.0/x-code 8 etc.
Programming
PHP, Laravel, Codeignitor, Python, Wordpress, Ajax, BootStrap, jQuery, XML, Webservices etc.
Social Networking
Push Notification, Apple APNS, Android GCM etc.
In-App Purchase
Paypal SDK
Advertisement - AdMob, iAd, Chartboost, Revmob, LeadBolt, Adwhirl, Tapjoy etc.