I have experience of 7+ years in Android and already developed plenty of mobile apps and some of them are very popular in the market.

Here are some lists of applications I have developed and worked on earlier. Please check it.
** Padharo : We travel with you
https://play.google.com/store/apps/details?id=com.padharoudaipur

i have covered these relevant features in this application.
- real time bookings
- real time location/ map tracking
- online/ credit card payments
- instant user ratings/ feedback

** Soro
https://play.google.com/store/apps/details?id=com.soro.app

i have covered these relevant features in this application.
- real time chatting
- real time voice & video calling (individual & group calling)

** Portex
https://play.google.com/store/apps/details?id=com.portex

i have covered these relevant features in this application.
- online/ credit card payments
- instant user ratings/ feedback

** Aliaxis
https://play.google.com/store/apps/details?id=com.aliaxis

i have covered these relevant features in this application.
- engineering calculators
- offline data uses

** Status Savior
https://play.google.com/store/apps/details?id=com.statussavior&hl=en

i have covered these relevant features in this application.
- file system access

** Damsel
https://play.google.com/store/apps/details?id=com.damsel

a woman safety application having-
Ride support feature
Party Mode feature
Route record history

** Some of more applications are under NDA and development as well