I have experience of 7+ years in android app development.
I can make your android app from your idea to the best product.
My specialization:
Native android or server side programming app
Google Map based tracking app
offline tracking app
Ecommerce apps
online payment based apps
Calendar based apps
Live wallpaper based applications.
Online and offline music player
Api integration
Third party integration libraries : sinch, twilio, quickblox, onesignal, webrtc, paypal, braintee, strip, flurry, admob, google analytics, fabric, firebase, barcode scanner etc.
Serverside programme and connectivity
Database integration : sqlite, firebase etc.
Sms sending apps
Chatting apps
Social sharing apps
Social media integration : facebook, gmail, twitter, instagram, linkedin etc.
Android QWERTY keyborad
Analog or digital clock widgets
Image editing apps
Custome apps
Cryptography currency apps : bitcoin, pipcoin etc.
or many more apps