Hello There,
I have checked your post and gone through all the details shared by you in this post, I have 7+ yr experience with Android app development and have team with me for PHP and iOS app development too, Our Team member also belongs to this industry since last more than 7 Year.
Experienced parts
* Android apps using Android Studio, Eclipse and Android ndk.
* Social network integration(Facebook, Twitter, LinkedIn, Tumblr, etc)
* Push notification, Local notification, Events, UrbanAirship
* Web service integration (SOAP, REST, JSON, XML, XMLRPC), RSS, RestKit, AFNetworking, Parse, Firebase
* Web server management(Amazon S3, Godaddy, StackMob, AWS)
* Bluetooth LE, iBeacon(iOS) * InAppPurchase, Paypal, E-commerce implementation.
* Image processing, Video processing, Camera API, face detection, OpenCV, Augment Reality.
* Bar code, QR code, ZBar reader and generator.
* Ad network integration, iAD, RevMob, Google AdMob, TapJoy, Chartboost, AdColony, PlayHaven, AppLovin
* Git, SVN, TestFlight, JIRA
* Publishing apps to Play Store.
Looking forward to discussing