I have experience in android app development for more than 5 years. 

I can make your android app from your idea to the best product. 

I am expert in the following:

Responsive UI Design

Sensor Work

Integration with APIs (e.g, Google APIs) 

Server Programming and Connectivity

SQ Lite Database Integration

FireBase Integration (Database, storage, Authentication etc.)

REST API (JSON,XML)

JSON Data Parsing

Call SMS

View Pager

Splash Screen

Tab Layout

Fragments

Action Bar Design

publish on the google play store

Custom Apps

Android QWERTY Keypad

Google Maps 

Chatting Apps 

and do let me know what else you want me to do.